You can never imagine what great difficulty I had ________ his parents.
| A．finding | B．of finding | C．to find | D．about finding |
Did you feel your should __ by his hand?
| A．touch | B．touched | C．to touch | D．to be touched |
I suddenly felt something cold ___ my hand.
| A．touch | B．touched | C．to touch | D．to be touched |
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 |