--- What made Bill so angry?--- _____. His girl friend promised to come at 8:30, but she hasn’t come yet.
As soon as she saw him, shethat something had happened.
It’s getting late --- time to .
His writing is so confusing that it’s difficult to make out _____it is he is trying to express.
— We got here Tuesday afternoon. — _____ Why didn’t you call us earlier?
It is obvious to the students ______ they should get well prepared for their future.