You can’t go back home______you finish your homework.
| A．if | B．until | C．so | D．because |
— Why not join us in the game, Joe?
—________, but I have to finish reading the book first.
| A． Yes, please | B．Let’s go | C．Not at all | D．I’d love to |
—Look，the light in Jim’s room is still on. Do you know______?
—To study for the coming exam, maybe.
| A．if he works hard | B．why is he so busy |
| C．why he stays up so late | D．when he will stop working |
—Mr. Gao, I don’t understand the meaning of this new word.
—You can __________ the word in your dictionary. I believe you can understand it well.
| A．look at | B．look for | C．look up | D．look after |
—Well, you've come back! ________ did you stay in Shanghai?
— For about seven days. I really enjoyed myself.
| A．How many | B．How far | C．How long | D．How often |