We’d better have a ___________ discussion if we go to a ___________ place for the class trip.

We _____ more than 1,600 words since we began to learn English.

It’s really difficult to ______ what he is trying to express.

______ you got ______ chicken–No. we haven’t. Let’s get some.

The continuous rain ____the harvesting of the wheat crop by two weeks. [ ]