1.He often (write) his letter to his friend in english twice a month
2.She(correspond) with her penpal for three years
3.Last night while i (do) my homework, my brother were watching television
4.All the students (look) forward to spending their summer vacations in the countryside
5.They (visit) their parents on the farm neext summer holiday
II,
6._______ have been working hard in the search for a cure for cancer (SCIENCE)
7.I really don’t think he has the _____ to đo this job (ABLE)
1. writes
2. has corresponded
3. was doing
4. are looking
5. will visit // are going to visit
6. Scientists
7. ability
1. wrote
2. has corresponded
3. was doing
4. are looking
5. will visit
6. Scientists
7. ability