Follow these few tips, and your time spent reserch on the Internet will be much more .
A. to do, paid off B. did, reward C. doing, rewarding D. doing, rewarded
He is but a fool.We can’t pass him by.
A. nothing B. anything C. everything D. something
all the negative effects the Internet has our lives,the Internet is more and more popular.
A. Although, in B. Despite, on C. Regardless, on D. While, in
this form of exercise is good for the old and the young as well remains .
A. What, seen B. If, seeing C. Whether, to be seen D. If, unknown
is no wonder that he has nobody here to turn .
A. It, in B. There，to C. It, to D. There, for
I have never spent day.
A. a worried B. more worried C. a more worrying D. the most worrying
