—Where did you get The Frog written by Mo Yan?
—I picked it up from a bookshop online if you ________ know.
| A．must | B．will |
| C．can | D．shall |
Is it John that is being scolded in the manager’s office?
No. It ______ be him. I saw him on the way just now.
| A．mustn’t | B．won’t | C．can’t | D．may not |
The question came up at the meeting_____ we had enough money for our research．
| A．that | B．which | C．whether | D．if |
Twenty of the students will have sports, the rest ___ studying here
| A．are | B．is | C．were | D．was |
He is a strict but kind-hearted father, ____ the children respect but are afraid of.
| A．/ | B．that | C．for whom | D．one whom |
She ______ behind the door in order not to be found. Two minutes later she was safe again.
| A．hold her breath | B．catch her breath |
| C．held her breath | D．lost her breath |