14. Many new games are designed on the computers all the time; people of all ages ______ these games.
|
A．are playing |
B．had played |
C．have been playing |
D．Play |
13. In any case, parents should make clear _______, if any thing, the children are expected to pay for with the money.
|
A．that |
B．which |
C．what |
D．How |
12. He gave us a nod and muttered a “yes” after _______ seemed like hours.
|
A．that |
B．which |
C．it |
D．What |
11. It is because people are likely to stay indoors ______ the virus can spread easily ______ people often catch colds.
|
A．and, that |
B．so, that |
C．therefore, so |
D．that, that |
10. By the middle of the 21st century , the vast majority of the world’s population ________ in cities rather than in the country.
|
A．are living |
B．will be living |
C．have lived |
D．will have lived |
7. When you read the book, you’d better make a mark ______ you have questions.
|
A．at which |
B．at where |
C．the place where |
D．Where |
