I thought it hard to complete the project at first, but I __________ my mind.
A. change B. have changed
C. had changed D. would change
I have no doubt that he will make it, but I wonder ____ he is really ready enough.
A. what B. why C. whether D. that
The money will be used __________ the school with new computer equipment.
A. to provide B. providing
C. provided D. to be provided
Paula waited until all the luggage was cleared, __________ hers never appeared.
A. or B. so C. as D. but
The girl is sure to become a good actress __________ she gets the right training.
A. until B. if C. although D. unless
The Oxford English Dictionary is necessary for learning English, so you'd better buy ___.
A. this B. that C. it D. one