Question

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Giúp với mình tick cho

21. I felt bad ________ him with all the washing up after the meal, but I had to get back to work.
A. to leave    B. leaving         C. leave
22. It wasn’t the ________ holiday I’ve ever had, but it was certainly the ________.
A. cheapest ... most relaxing      B cheapest ... relaxingest       C. most cheap ... most relaxing
23. Some people in the factory were found to be earning ________ a dollar a day.
A. as little as        B. as few as           C. so little as
24. When I started to put up the shelves, I discovered that it wasn’t ________ I’d first thought.
A as easy job as      B. as easy a job       C. as easy a job as
25. If you ________, maybe I can help you solve it.
A. explain me the problem B. explain the problem to me C. explain the problem for me
26. I’ve been doing lots of training in the gym to prepare ________ the marathon.
A. me for running       B. myself to run        C. myself for running
27. Considering that we don’t have many interests in common, we get along quite well.
A. with each another    B. with each other     C. for each other
28. After being away for so long, I’m really looking forward ________ back home.
A. to getting     B. getting     C. to get
29. I often don’t have time to eat a proper lunch, so I ________ just a banana.
A. make to do with     B. make do for     C. make do with
30. I waited ________ before going to work.
A. for the post arriving      B. for the post to arrive    C. to the post to arrive
31. In 1927, Belgian-born Georges Lemaitre published his explanation of the creation of the universe ________ became known as the Big Bang theory.
A. which     B. , which     C. that
32. As warm air rises, it mixes with cooler air above and cools to a point ________ it stops rising.
A. where            B. that      C. which
33. The police held three men for questioning, all ________ denied any part in the robbery.
A. of whom       B. whom        C. of which
34. The office block now ________ in the city center will be the highest in the country.
A. being built        B. building      C. built
35. The last person ________ the room should switch off the lights.
A. left      B. leaves      C. to leave
36. I’m looking for a relatively cheap digital camera, ________ and relatively cheap.
A. is easy to use     B. easy using     C. easy to use
37. I was just about to ring the bell ________ the door opened.

A. as      B. when          C. while
38. Football is the most popular sport in the country ________ more people pay to watch it than any other.
A. inasmuch as     B. inasmuch that      C. as much as
39. She avoided telling Alan what she thought of his painting ________ offend him.
A. not     B. so not to     C. in order not to
40. If I ________ more time, I’d like to learn to play a musical instrument.
A. will have      B. would have      C. had