They waited and waited, and_____ he came back.
| A．at once | B．at first | C．at the end | D．at last |
Can you hear _______ just now? It’s too noisy outside.
A. what did he say B. what he says C. what he said
— I don’t think aliens can be found in space. —_____________.
A. You are right B. That’s all right C. All right.
____________ beautiful house！ It must be nice to live in.
A. What B. What a C. How
—How do you_______ that in English? — It’s a trunk.
A. speak B. say C. tell
You can borrow my dictionary __________you keep it clean.
A. as much as B. as soon as C. as long as