—May I go and play with Dick this afternoon，Mum?
—No，you can’t go out________your work is being done.
| A．before | B．until | C．as | D．the moment |
On December 26, 2004, a terrible tsunami happened in the Southeast Asia, _________ many people.
| A．killing | B．had killed | C．killed | D．having killed |
I don’t suppose anyone will go there, ___________?
| A．do I | B．don’t you | C．will they | D．won’t they |
---Did you remember to give Jane the money you owned her?
---Yes, I gave it to her_________ I saw her.
| A．while | B．the moment | C．suddenly | D．once |
Last year the number of death increased_______ 2% _________ 4% the year before.
| A．to, comparing to | B．by, comparing with |
| C．to, compared with | D．by, compared to |
It was _____________ back home after the experiment.
| A．not until midnight did he go |
| B．until midnight he didn’t go |
| C．not until midnight that he went |
| D．until midnight when he didn’t go |