1. John (study)...........hard in class, but I (not think)...................he'll pass.
2. Mozart (have)................more than 600 pieces of music.
3. ......................Mr. and Mrs. James (come)..................back home and have luch late last night?
4. Where....................your children (be)..............................?
5. The telephone (ring)....................... several times and then (stop).......................before I could answer it.
6. My father (be/not).......................at the office the day before yesterday.
1. John (study) studies hard in class, but I (not think) don't think he'll pass.
2. Mozart (have) had more than 600 pieces of music.
3. Did Mr. and Mrs. James (come) come back home and have luch late last night?
4. Where is your children (be)?
5. The telephone (ring) has rung several times and then (stop) stopped before I could answer it.
6. My father (be/not) wasn't at the office the day before yesterday.