Give the correct form of the verbs
1. If we didn't protect the environment, our planet (pollute)....................
2. Robert (wait).................... for you when he saw an accident
3. This time next Monday, yhe workers (build) .......................the new bridge over this river
4. What she (buy)........................before she came to class yesterday?
Giúp mình gấp với😭
Give the correct form of the verbs
1. If we didn't protect the environment, our planet (pollute) would pollute
2. Robert (wait) was waiting for you when he saw an accident
3. This time next Monday, yhe workers (build) were building the new bridge over this river
4. What has she (buy) bought before she came to class yesterday?
