1. In the old days, people (believe) _________ that the Earth (be) _________ flat.
2. The street (become) _________ very crowded after 5 pm every day.
3. The rivers (flow) _________ fast today – much faster than usual.
4. Everything is going fine. We (not have) _________ any problems so far.
5. My cousin (just/tell) _________ me about you.
6. I (help) _________ this woman last week.
7. _________ you (see) _________ Nam and Mai recently ?
8. We (eat) _________ this food several times.
9. My father (plant) _________ this tree 6 years ago.
10. He (not make) _________ any mistake yet.
1 believed - was
2 becomes
3 flow
4 haven't had
5 has jist told
6 helped
7 have you seen
8 have eaten
9 planted