用括号内所给的单词的适当形式填空。
Computers will make our lives ________．(good)
More ________, they have known how to solve this problem．(important)
Our history teacher is very popular because he ________ gives wrong answers．(rare)
She has a good ________ of London．(know)
Do you think there are some ________ viruses(病毒)in my computer?(hide)
用动词的适当形式填空。
Everybody seemed ________(enjoy)himself there．
Why are you here, Bob? You ought ________(do)your homework now．
She walked in quietly．She didn't want ________(notice)．
I regretted answering like that．I was sorry ________(do)so．
Nobody is allowed ________(go)in．The teachers seem ________(discuss)an important problem．