His pale face suggested that he _____ ill and his teacher suggested that he ______to the hospital at once.

Tom was about to close the window ______ his attention was caught by a bird.

It is in the hotel _____ he stayed last night ______ he lot his mobile phone.

Lydia doesn’t feel like ________ abroad. Her parents are old.

The book about environment ______ the importance of protecting the earth.

It was ______ back home after the experiment.

________ with the size of the whole earth, the biggest ocean does not seem big at all.

I would appreciate ______ if you could write to me as soon as possible.

They often quarrel with each other about small things, which they couldn’t ________ finally.

Wang Mei devoted herself entirely to her career, which earned her a good ________in her field.