1. HL Bay was ...... by UNESCO as a World Heritage Site (recognition)
2. There are three trains ....... from Ha Noi to Lao Cai (day)
3. It is a contest in which ......... have to read two poems in English (participate)
4. Tim and Shannon want to visit an ........ institute in VN (ocean)
5. The problemis difficult, I can't ......... it (solution)
1.recognized
2.daily
3.participants
4.oceanic
5.solve
1. HL Bay was ....recognised.... by UNESCO as a World Heritage Site (recognition)
2. There are three trains ....daily... from Ha Noi to Lao Cai (day)
3. It is a contest in which ....participant..... have to read two poems in English (participate)
4. Tim and Shannon want to visit an ....oceanograghy.... institute in VN (ocean)
5. The problem is difficult, I can't ....solve..... it (solution)
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