Alan is a careful driver , but he drives ____ of my friends.
A. more carefully B. the most carefully
C. less carefully D. the least carefully.
Danny _____ hard for long to realize his dream and now he is popular.
A .works B . is working C. has worked D. worked
You will find _______ great benefit a puter will be of each time you use it to help you work..
A . that B . whether C. how D. what
The speech which he made ______ the project bothered me greatly.
A. being concerned B. be concerned C .concerned D. concerning
You don’t need to explain so much about this theory to Peter. _______ , he is clever enough to understand it .
A. As a matter of fact B. Anyway C. In return D. In a way.
--- In addition to being bright, he has always been working hard.
--- No wonder he ______ in almost all subjects.
A .gets through B. stands out C. sets aside D. holds up