— It was a heavy snow last night. Are we all here now? — Yes, and _____ of us was late for school.

It is           useful book. I borrowed it from           school library.

You have finished writing an e-mail on computer , but too many mistakes in it . You can chick _____ .

Please drink more water to keep healthy, ________ in summer.

When people mention planes,it will remind the parents_______ their daughter on the Malaysian Airlines plane MH370.