—Why, Jack, you look so tired!
---Well, I _____the house and I must finish the work tomorrow.
| A．was painting | B．will be painting |
| C．have painted | D．have been painting |
--- Kitty, do you know ______?
---Sure, about forty minutes.
| A．when did their class meeting begin. |
| B．where their class meeting was held |
| C．how often their class meeting is held |
| D．how long their class meeting will last |
Frank often wears a mask _____ he can keep fit in the foggy and hazy (霾) weather.
| A．only if | B．until |
| C．so that | D．even though |
When the sun ___ in the east, the little hero tried hard ___ the red flag to the top of the pole.
| A．rising… to rise | B．rose… to raise |
| C．rose… raising | D．rising… raising |
—_______ do you like _______ the picture on the wall?
—The colour.
| A．What, about | B．How |
| C．How, of | D．What, of |
—My daughter has passed the exam. 
—Congratulations! She’s really excellent.— ____________.
| A．No, no, she is nothing | B．Oh, thank you |
| C．Sometimes she is intelligent | D．You are right |