______she is not so healthy_____she used to be?
| A．How is it that ; as | B．Why is it that; what |
| C．Is it why ; that | D．How it is that ;as |
The young trees require ___ carefully.
| A．to look after | B．looking after | C．look after | D．looking for |
She kept me ___ for a long time.
| A．to wait | B．wait | C．waited | D．waiting |
The teacher wanted ___ as correctly as possible.
| A．that the work was done | B．the work done | C．that the work did | D．the work to do |
She has just finished ___ her shopping.
| A．to make | B．to do | C．doing | D．making |
Aunt LI has arrived.Do you expect __ to pay her a visit?
| A．going | B．go | C．to go | D．that you go |