The children, _____ had played the whole day long, were worn out.
| A．all of what | B．all of them |
| C．all of whom | D．all of which |
I tried all I could_____ the topic at the meeting, but he brought it up.
| A．avoided mentioning | B．to avoid mentioning |
| C．avoiding to mention | D．avoiding mentioning |
----The singer together with her band_______ invited to the concert. Did you enjoy that party?
----No, hardly_____ when they sang their top hit Oh, My Baby.
| A．was, I had left | B．were, I have gone |
| C．was, had I left | D．were, did I leave |
Many people can’t learn lessons from the mistakes they’ve made_____they get hurt somehow.
| A．whether | B．unless | C．if | D．as |
We shall not start the project until it_____ by the committee.
| A．will be approved | B．has been approved |
| C．approves | D．is to approve |
----Why did the general insist_______ a visit to the small village?
----It was at the very place______ he fought 30 years ago.
| A．on paying, that | B．to pay, in which |
| C．on paying, where | D．to pay, which |