Jack must be worried about something.You can it from the look on his face.
In his speech, he said that it was his primary school teachers that he was fond of ________influenced his whole life.
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.