请根据下列括号中所给单词的正确形式填空You must be careful when you _________ streets.（cross）
举一反三
- 请根据下列括号中所给单词的正确形式填空I ________ to call on you yesterday, but someone came to see me just when I was about to leave.(intend)
- 请根据下列括号中所给单词的正确形式填空This town ________ once a beauty spot.（be）
- 请根据下列括号中所给单词的正确形式填空Time and tide _______ for no man.（wait）
- 请根据下列括号中所给单词的正确形式填空The hotel _______ the beach with distant blue sea.（overlook）
- 根据括号中所给单词的合适形式填空：We all felt excited when China succeeded in(launch)______its first manned spaceship．