His mother ___ in a hospital, but she ____ these days.
A. works, isn’t working
B. is working, works
C. is work, doesn’t work
—Must I finish my homework right now?
—No, you.
A. needn’t B. may not C. mustn’t
The new-designed car is on show now. I wonder _____.
| A．how much it cost | B．how much did it cost |
| C．how much it costs | D．how much does it cost |
Since we ________ our homework now. Let’s have a rest.
| A．do | B．are doing | C．will do | D．have done |
The sports meeting ________ twice a year in our school.
| A．holds | B．is held | C．held | D．will be held |
I love the movies ________ can give me a lot of pleasure.
| A．who | B．whom | C．which | D．whose |