—Is Jack on duty today?
—It________ be him. It’s his turn tomorrow.
| A．mustn’t | B．won’t | C．can’t | D．needn’t |
Living in _______ ever increasingly fast-paced world, we are facing greater competition, so we must take ________ advantage of every opportunity to develop.
| A．an; the | B．an; / | C．the; an | D．the; / |
---I am taking my driving test tomorrow!
--- _______!
| A．Cheers | B．Good luck | C．Come on | D．Congratulations |
No matter what happens, you should keep _____. Just look on the bright side of things.
| A．generous | B．optimistic | C．careful | D．practical |
The baby, _____health was ruined after taking the medicine, was only one year old.
| A．which | B．whose | C．who | D．whom |
For Chinese Dream, many people dream of_______ a good chance for a better job.
| A．there is | B．there to be | C．there will be | D．there being |