I don't know _______.Can you tell me________?
| A．how swim; what to do | B．how to swim ; what to do it |
| C．how to swim; what to do | D．what to swim; how to do |
I will _______ him when I _______free．
| A．call, am | B．call to, am | C．call, will be | D．call to, will be |
—What’s your friend like?
—______________．He often helps others.
| A．He’s kind and helpful | B．He’s a driver |
| C．He likes cooking | D．He’s poor |
I often go to sleep ________10:00 p.m. ________7:00 a.m.．
| A．at, at | B．at, and | C．between, and | D．from, to |
—Could you pass me the book?
—______________.
| A．OK. Here you are. | B．Let me think. | C．Yes, I could. | D．No. |
Most students hope _______well in their study.
| A．doing | B．do | C．to do | D．does |