--- Excuse me, may I come in?
--- Not yet. Please wait on your chair _____ your name is called.
| A．and | B．until | C．after | D．since |
—We are going to play in tomorrow’s football match．I feel very nervous．Dad．
—________．I'm sure you can win the match．
| A．Sorry | B．Take it easy |
| C．Good idea | D．Have fun |
The man ________ is talking to our teacher is Betty’s father．
| A．which | B．whom |
| C．who | D．what |
If you have trouble pronouncing these words, you can repeat them over and over again ________ you are comfortable with them．
| A．unless | B．if |
| C．until | D．while |
一Would you like to go to the amusement park?
—If Jack does，________．
| A．I go．too | B．so will I |
| C．neither will I | D．so do I |
—It’s difficult to get to the other side of the river．
—I think a bridge ________ over the river．
| A．should be built | B．should build |
| C．will build | D．has built |