Tom ________ hard since he came to China.So he can get good grades.
A．worked B．works
C．has been working D．has been worked
He ________ be late for class, but now he is always on time.
A．used to B．use to
C．to use D．to used
In Grade 8, Tim ________ different school clubs, but he didn't have fun.
A．took part in B．took part
C．joined D．joined in
完成短文。
请先阅读下面短文，掌握其大意，然后用方框所给的词的适当形式填空，并将答案填写到答题卷的相应位置，每词限用一次。
You work hard to learn English . Do you know American kids are 1. to learn Chinese? About 50,000 American students now 2. Chinese .“Because of china’s fast growth, Chinese is more useful than 3. languages,” said Scott McGinnis, a Washington4. expert.
For example, in 1999, 5. three Chicago schools had Chinese classes. This year more than 20 do. In many US6. , students take Chinese lessons at school or on the weekends. But Chicago schools teach Chinese during the 7.day. Last year China gave them3,000 textbooks because they had 8. a good job.
9.Chinese classes are becoming popular, it is one of the most difficult languages. It 10.an English speaker about 1,320 hours to become good at Chinese , but it only takes 480 hours to learn French, Spanish or Italian.
根据句意、中文提示或英文释义,写出句中所缺单词，使句子通顺。
1.The article is too difficult for most ________ (高级的)high school students to understand.
2.This is their classroom and ________ （us）is in front of theirs.
3.The ________ （课文）is informative and wellwritten.
4.We are looking ________ （期盼）to your coming.
5.After a longtime hard work, his English ________ （水平）has improved a lot.
She lived there before she ________ to China.
A．came B．comes
C．come D．Coming
