She’s not strong enough _____ walking up mountains.
A．to go B．going
C．go D．went
It was time for class. Mr. King asked all the children _____ down quietly.
A．sit B．sat
C．to sit D．sitting
Paul made a nice cage______ the little sick bird till it could fly.
A．keep B．kept
C．keeping D．to keep
Don’t throw away the waste paper. It needs _____ so that it can be reused.
A．to destroy B．destroying
C．to collect D．collecting
—What are you going to do when you grow up?
—A singer, but my parents wish me _____ a teacher.
A．am B．to be
C．will be D．be
—How is your grandma?
—She’s fine. She used to___TV at home after supper. But now she is used to ___out for a walk.
A．watch; go B．watching; go
C．watching; going D．watch; going
