That it keeps raining cats and dogs ________ the tourists.

There are three eggs _______ by the hen_______ under the tree.

Many rules in English are ______, and large numbers of students feel ______ them.

He had to have the washing machine _________ last night.

--- You look happy today. Is there anything good?--- I’m very delighted ______ as one of the exchange students.

I appreciate ______ the opportunity to work in your company two years ago.

The civil war broke out in Libya, ______ to the instability of the international oil price．

_____ on everyday practice, progress in English is a goal which can be achieved．

Noticing some passers-by gathering on the road, Jill looked forward _______ what was the matter.

He is a foreigner and he is not _______like that while he is in China．

It was________ his car after drinking that resulted in the terrible accident doing much damage to his car.

— You should have helped your mom wash the dishes．—I meant     ．But she is always telling me to study．

With no one     them，the two thieves stole into the house．

More than a quarter of the energy       in the United States goes to moving people and goods from one place to another.

With a lot of tough problems       , the pilot was still calm, cool and collective under pressure.

      their final medical check, the astronauts boarded their spacecraft．

        her emotion, she buried her face in her hands．

She seems to prefer          American TV Shows to talking to me．

It’s time he _________ piano. Don’t you think he has wasted too much time online? 

He sat at the desk, __________ a novel.