1. According to ________ UN report, 70 percent of the world population have______ access to huge amounts of information through the Internet from their homes.
A．an；不填 B．a；an C．an；an D．a；不填
2. Though Typhoon Muifa didn’t strike Wenzhou in the end, it still caused great _______ to the local economies.
A. injury B. destroy C. ruin D. damage
3. ---- Is it good to look up every new word when I come across it in reading?
---- No. You ________, because you are likely to guess the meaning from the context.
A. can’t B. mustn’t C. don’t have to D. shouldn’t
