I will try my best to stop my son from _____ the same mistake.
| A．make | B．made | C．makes | D．making |
The doctors have done everything they can______ the patient’s life.
| A．save | B．saving | C．to save | D．saved |
.--Look, there are ______number of ducks swimming in the river.
--Yes. ______number of them is over ten.
| A．a; A | B．the; The | C．a; The | D．the; A |
--Will Tom come to our party?
--______I’m not sure.
| A．Nearly | B．Certainly |
| C．Perhaps | D．Impossible |
They were all very tired, but ______of them took a rest.
| A．none | B．nobody | C．all | D．both |
After the hard work, what we want is ______a rest.
| A．have | B．has | C．had | D．to have |