Temperatures________ quite dramatically at night in mountains, so put on some warm clothes before going out.
| A．are dropped | B．drop |
| C．are being dropped | D．have dropped |
Jim is a good son. He never _______ to write to his mother every month.
| A．fails | B．misses | C．loses | D．forgets |
Do you have any idea what has ______ him mad？
| A．made | B．driven | C．forced | D．kept |
These shoes my mother bought for me are so ____ that they hurt.
| A．loose | B．tight | C．big | D．dirty |
Ladies and gentlemen, may I ___ your attention to me？I have an important announcement to make.
| A．draw | B．attract | C．pull | D．drag |
Our company has been very____ to react to foreign competition. Most of our products are out of fashion.
| A．slow | B．quick | C．smart | D．clever |