Rick has learned a lot about Chinese culture _____ he came to China.
| A．before | B．when | C．until | D．since |
—Let’s go fishing if it _____ this weekend.
—But nobody knows if it _______.
| A．is fine, will rain | B．will be fine, rains |
| C．will be fine, will rain | D．is fine; rains |
Smoking is bad for your health. You’d better _______.
| A．set it up | B．give it up | C．pick it up | D．look it up |
Try to sing some English songs, you’ll find it interesting _____ a foreign language.
| A．learning | B．learns | C．learn | D．to learn |
—Have you ever seen the movie called Los Angles 2011?
—Yes, but I think it’s ______. I fell asleep when I saw it.
| A．exciting | B．boring | C．bored | D．excited |
Our math teacher ______ in our school for 20 years and he _____ here when he was 23 years old.
| A．has taught, has come | B．taught, comes |
| C．taught, came | D．has taught, came |