根据句意，用所给动词的适当形式填空。Winter is the best season (go) skiing.
I often see my father (read) the newspaper on the sofa.
It is very important for us (exercise) more often.
The heavy rain prevents us from (go) for a picnic.
Not only they but also Jim _______ (watch) the birds in Yancheng Nature Reserve now.
I have waited for the bus for twenty minutes．(对画线部分提问)
________________ have you waited for the bus？
每天早晨我很快就穿好衣服。
I ________________ quickly every morning．
根据汉语及句末括号内的单词提示，用相关的动词短语完成句子。
英语课上，我们通常被分为几个小组练习对话。
Usually we________some groups to practice conversations in English class．(divide)
根据汉语意思完成句子。
古时候，人们认为地球是扁平的。
In ancient times it________ ________that the earth was flat．
用所给词的适当形式填空。
He helps me a lot．I am________(thank)to him．