You should understand the traffic rule by now. We have had it __________ often enough.
| A．explaining | B．to explain |
| C．explain | D．explained |
I want to know what will become _______ that poor little boy if no one wants to help him?
| A．to | B．of | C．on | D．with |
It is suggested that this small town’s serious problems worth paying much attention ______ at the meeting.
| A．to be solved | B．to being solved | C．to solve | D．to solving |
She is always the first___to school.
| A．to come | B．coming | C．come | D．came |
---I hear the church was badly damaged last night.
---____, let’s go and see it.
| A．When necessary | B．What’s more | C．If so | D．Where possible |
---How can she forget such an important matter?
---Oh , it’s___her to forget. She may forget everything except her name.
| A．typical of | B．typical for | C．common of | D．not like |