1. —I don’t think we need to invite Mike to the party, because he’s too busy recently.

—We’d better ask him even though he might ________ our invitation.

2. —You’d better not start your climb ________ you have a guide. It’s easy to get lost in the mountain.

—Thanks. I’ll go with my guide.

3. —Jack, you’ve made great progress in Chinese recently.

—But there’s still a long way to go. I hope I will be able to ________ up with the top students some day.

5. —Do you think I can stick the paper on the wall with ________?

—Of course. It is a useful tool. You’d better be careful. Don’t mess it up in an awful way again.

7. Bi Sheng invented the technology for ________ Chinese characters.

8. In China, if your ________ have no food on their plates, it’s polite to put food on their plates.

9. Two more methods were offered to them to solve the problem, but neither of them was ________.

10. —Could you please tell me when the shopping center ________? I want to buy a pair of shoes.

—At about 9:00 a.m.

11. Could you please tell me the answer to the question? I’m looking forward to your ________.

13. The ancient Greeks would be amazed at how the Olympic Games have grown to become a world ________!

15. In the past, many people ________ up some special plants at the gate of the house at the Dragon Boat Festival.

17. —My phone isn’t working well because it has run out of space.

—I guess you need to ________ some unnecessary Apps.