Jim couldn’t understand how the machine worked until his friends____ how to use it.
| A．promised | B．explained | C．thought | D．heard |
My grandma ______ her coat at home yesterday.
| A．forget | B．stayed | C．left | D．leaves |
We travelled to Hainan last year, and we _______ in love ______it.
| A．fall, on | B．fell, with | C．felt, with | D．fell, on |
Tomorrow David will have an important meeting, so he will _____a suit at the meeting.
| A．wear | B．put on | C．dress | D．in |
I’m not sure _______my friend can come here or not tomorrow.
A. whether B. when C. if
________bad news! I feel so sad.
A. What B. What a C. How