These countries will join one another against terrorism, was agreed to at the international conference.
| A．as | B．who | C．that | D．what |
The government of the United States began at once to investigate the case ______ a lot of students were killed.
| A．that | B．when | C．where | D．why |
---I probably shouldn’t have any more cake.
---Oh, ______. It won’t kill you.
| A．go ahead | B．hold on, please | C．you’re welcome | D．that will do |
It is ten years since the scientist ______ on his life’s work of discovering the valuable chemical.
| A．made for | B．set out | C．took off | D．turned up |
--Her father is very rich.
--- ______ She wouldn’t accept his help even if it were offered.
| A．What for? | B．So what? | C．No doubt. | D．No wonder. |
Can you _____ your father in the old photo?
| A．sort out | B．pick out | C．work out | D．break out |