I have a lot of homework to do today, _________ I cannot go swimming with you.
| A．because | B．so | C．then | D．but |
________ we deal with our problems, we can easily become unhappy.
| A．Until | B．If |
| C．Unless | D．Though |
—What do you think of your host family, Jim?
—Great. They try ________ best to make me feel at home.
| A．they | B．their |
| C．them | D．theirs |
—Would you mind helping me look after my baby for a while?
—
| A．Sure, be careful on the way. |
| B．Oh, don’t you like children? |
| C．Of course not, dear. |
| D．Yeah, I hope so. |
—How do you like the popular documentary “A Bite of China”（《舌尖上的中国》）?
—Excellent! You won’t realize how wonderful our Chinese food is _____ you watch it.
| A．when | B．as |
| C．after | D．until |
—We’ve been trying hard, but can’t solve the problem.
—I think you can ________ it in another way.
| A．share with | B．deal with |
| C．keep up with | D．point out with |