Food safety is important. Rules ______ to stop people from food pollution.
| A．must make | B．must be made | C．can’t make | D．can’t be made |
—Who is playing the piano in the music room? Is it Mary?
—No, it ________ be her. She has ________ to Beijing on business.
| A． |
couldn’t; been |
B． |
can’t; gone |
C． |
can’t; been |
D． |
mustn’t; gone |
— Bruce ________ so much in the past two years.
— Yeah, he ________ be shy, but now he is confident and active.
| A． |
has changed; used to |
B． |
changed; is used to |
| C． |
changed; used to |
D． |
has changed; is used to |
— Exercising is good for our health.
— You’re right. So I’d rather ________ an hour’s walk than ________ in front of the computer.
| A． |
to take; sit |
B． |
take; sit |
C． |
take; sitting |
D． |
to take; sitting |
The local government advises people ________ to other places ________ it is not necessary during the pandemic.
| A． |
travel; unless |
B． |
to not travel; if |
C． |
not to travel; unless |
D． |
not to travel; if |
—We need more time to see how things develop before we ________.
—I agree with you.
| A． |
take after |
B． |
take action |
C． |
take turn |
D． |
take away |