─ did they go to work last week ? ─Once .
| A．How many times | B．How often | C．How soon | D．How long |
You should do your homework＿＿ watching TV.
| A．because of | B．instead of | C．instead | D．except |
It ＿＿ me three hours to do my homework yesterday.
| A．spend | B．took | C．cost | D．takes |
Tom used to be late, ＿＿?
| A．didn’t he | B．isn’t he | C．did he | D．use not be |
Don’t ＿＿ about the result so much. I’m sure you can pass it easily.
| A．afraid | B．terrify | C．terrified | D．worry |
When we practice speaking English, we often end up ＿＿in Chinese.
| A．to speak | B．speaking | C．spoken | D．speak |