He has been away ____.
| A．since a month | B．for a month |
| C．for a month ago | D．in a month |
Most animals walk ____ four legs.
A. of B. to C. on
—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 |