—_________ did you leave the classroom?
—___________ I saw my daughter sit down and read her book.
| A．How long; After | B．When; Until |
| C．How long; Until | D．When; After |
When the player finished running, he was out of _____.
| A．breathe | B．breathing | C．breath | D．the breath |
_____ energy, shut off the hot water after you take a shower.
| A．Save | B．Saving | C．To save | D．Saved |
—Haven’t I told you that you should be home earlier?
—Yes, but I _____home earlier than I usually do.
| A．was coming | B．will come | C．came | D．had come |
Students who read a lot can do much better in learning English than_____who don’t .
| A．this | B．that | C．these | D．those |
—I’m worried about my English.
—_____ harder, _____you will catch up with your classmates.
| A．Working, and | B．To work, or |
| C．Work, and | D．Worked,or |