— He said he would arrive _____ six o’clock. But now it’s nearly seven. — Maybe he will arrive _____ a few minutes.
You can take anything from the shelf and read, but please________the books when you've finished with them.
We are needed to find a way we can think of as soon as possible________the pollution.
You know, news that he had resigned soon________.
________new buildings were going up everywhere in Beijing.
Voices were________as the argument between the two taxi drivers became more badtempered.