限时训练题
从A、B、C、D四个选项中选出可以填入空白处的最佳答案。
( )1.The laptop _____ in Japan in 1985. It is used for studying.
A.is developed B.was developed C.developed D.develops
( )2.Now more and more man-made satellites are _____ by humans.
A.sent for B.send C.sent up D.sent into
( )3.I was made _____ this or that while working as a waiter in this hotel.
A.do B. doing C.to do D.did
( )4.After hearing the funny joke, my father can’t help _____.
A.laugh B.laughing
C.to laugh D.laughing