She hopes_______ yellow can bring her success．
| A．if | B．that | C．whether | D．when |
–Oh! There is a snake in front of Jay.
--But it seems that he doesn’t ___the danger.
| A．meet | B．understand | C．predict | D．realize |
Uncle Wang didn’t stop to have lunch __he finished mending the TV set.
| A．if | B．when | C．until | D．as |
Our teacher said sound___much more slowly than light.
| A．was traveling | B．travels |
| C．has traveled | D．traveled |
Will you please show me the way to the only tall building ___stands near the post office?
| A．which | B．where | C．that | D．who |
—Look! The boy in the white shirt ___be Tom.
--It ____be him. I saw him enter the library just now.
| A．must; can’t | B．must; mustn’t |
| C．may; shouldn’t | D．may; mustn’t |