题目内容
用括号内所给动词的适当形式填空。
Look! The windows are bright now．Who ________(clean)them?
动词填空，用括号内所给动词的适当形式填空。
By the time she was fifteen, Kitty ________(teach)herself a foreign language．
根据句意和汉语注释，写出单词的正确形式。
Some people learn by experiment(实验)while others learn by ________(经验)．
Would you like ________(invite)your friends to your birthday party, Helen?
The old man ________(miss)his wife so much that he always takes her photo with him．
用所给词或中文提示，写出单词的正确形式
________ of Chinese are watching this play at this time．(百万)
It is ________ today．Maybe it is going to rain．(cloud)
动词填空：
The snowstorm prevented him ________ (arrive ) on time．
根据所给中文意思填入适当单词。(每空一词)
The boy doesn't have ________ (勇气) to ask teachers for help．
