| The reason ______ he changed so much was ______ he had to work hard to pay back the money his father borrowed. |
A. for; that B. why; that C. why; because D. for; because |
| It was the third time that she ______ to this mountain village to see the children. |
A. had come B. has come C. came D. would come |
| When we visited Zhangzhuang again ten years later, we found it changed so much that we could hardly ______ it. |
A. remember B. think about C. believe D. recognize |
| Since 1999, the number of foreign students at German universities ______ from 113,000 to almost 200,000. |
A. has increased B. have increased C. are increased D. was increased |
| American English has so many ______ because the American people have come from all over the world. |
A. grammar B. vocabulary C. pronunciations D. dialects |
| The reporter said that the UFO ______ east to west when he saw it. |
A. was traveling B. traveled C. had been traveling D. was to travel |
| English has become the most wildly spoken language in the world ______ its special role as an international language. |
A. because B. from C. with D. because of |
| We discussed where to go for a whole morning, but we decided to stay at home _____. |
A. at the end B. by the end C. in the end D. on end |