问题

Samsome knowledge of the computer just by watching others working on it
A:wasn’t prepared
B:wasn’t been prepared
C:hadn’t prepared
D:was preparing
B:wasn’t been prepared
C:hadn’t prepared
D:was preparing
正确答案是:
同类题型
than ________on a crowded bus, he alwaysprefers _______a bicycle .
I hate _______ when young people speak tothe elderly in a rude way
You should remember ________ difficulties we may come across, we will overcome them.
People wrote letters to get in touch. Nowadays email has ________the way people communicate. [ ]