根据中文提示，用词组的适当形式填空，每空一词。

Grandma usually ________ ________ (醒来)early in the morning．

根据中文提示，用词组的适当形式填空，每空一词。

It's bad behavior to spit ________ ________ (当众)．

用括号内所给动词的适当形式填空。

I overslept this morning．By the time I got to the train station, the train ________(leave)．

用括号内所给动词的适当形式填空。

The actor and director ________(be)coming to give us a speech next weekend．

用括号内所给动词的适当形式填空。

Be careful ________(not fall)off the ladder．

用括号内所给动词的适当形式填空。

The young man ________(live)alone since he graduated from college．

用括号内所给动词的适当形式填空。

I ________(read)a novel last night when I heard knocks at the door．

根据句意，用括号内所给词的适当形式填空。

It's a(an) ________(usual)experience, few people have chances to do it．

根据句意，用括号内所给词的适当形式填空。

To tell the ________(true), I don't like the drinks in that café．

根据句意，用括号内所给词的适当形式填空。

The higher the mountain is, the ________(thin)the air is．