Riding a bike to school is ________ among students. It gives them a chance to get some exercise.
A.strange B.similar C.common D.simple
When the man woke up, he found that the window was open and it was raining ________.
A.heavy B.heavily C.strong D.strongly
After Mandy finished all the work on time, she felt ________ at once.
A.worried B.shocked C.relaxed D.surprised
Robert is so ________ that he has no time to stay with his children even on weekends.
A.busy B.free C.rich D.poor
Mr. Black looks very strict. But in fact he is very humorous and ________.
A.famous B.crazy C.friendly D.honest
We should learn in a ________ way. It can help us save a lot of time and energy.
A.certain B.proper C.different D.special
