－Do you mind if I sit here －__________. It’s for my friend Cindy.

Was it not until you began to write ______ you shouldhave remembered more words

The little girl is not quite confident ______ her ability to go to a key university and she is very sensitive _____ everything concerned with it[ ]

The offices are in _________front of the classroom. an

The cars give off a great deal of waste gas in the street.—Yes, But I’m sure something will be done toair pollution.