Old Henry _________ take his dog for a walk after supper. But these days he is too weak to do that.
| A．has to | B．is able to | C．used to | D．got used to |
It is important_________us students to make a plan_________our studies before a new term starts.
| A．for; for | B．of; for | C．to; of | D．with; on |
After eight hours’ hard work, the firemen finally_________the forest fire.
| A．put away | B．put out | C．put down | D．put in |
It ’s our duty to_________people_________too many trees.
| A．stop; cutting down | B．prevent, to cut down |
| C．keep; cutting down | D．make; cut down |
—Mum, _________shall we have lunch?
—We will have it when your dad_________.
| A．when; returns | B．where; returns | C．where, will return | D．when; will return |
This_________woman has devoted all her life_________caring for the poor.
| A．modest; with | B．kind; to | C．selfish; for | D．unfair; at |