If you send the best wishes to your mother on Mother’s Day,____will give her a great surprise.
Staff are allowed to take a ten-minute break every two hours to relax, use the bathroom or do ___________ else is necessary.
Every solid object ______ reflect a sound,varying according to the size and nature of the object.
I would be happier if you did more studying while you are free, but you ___________.
The temperature on the inside of the car can be adjusted to suit the driver’s__________ in winter and summer.
When he heard that his job application had been rejected, he struggled to _______ his feelings.