He’s trained hard for the last two years. It is ______ he did so well at the track and field meet yesterday.
We would have to put off the visit to the Water Cube________ it rain tomorrow.
Now that you are in charge of the department, you are ___________ to carry out the plan.
Most of her spare time ______ , she still kept on her research in the laboratory.
He _____ have completed his work; otherwise, he wouldn’t be enjoying himself by the seaside.
The police are trying to find out the ____ of the woman murdered in the bathroom.