He didn't attend class today, I guess he __________ have caught a cold again.
| A．must | B．might |
| C．should | D．need |
The boy will make a lot of trouble when ____________ alone.
| A．leaving | B．leave | C．left | D．being left |
It’s true that everyone loves a mystery, ___________ when mixes history with fiction. That’s why “ The Da Vinci Code ” is so popular.
| A． especially | B．equally | C．totally | D．Finally |
___________ the Internet is bridging the distance between people; it may be breaking some homes or will cause other family problems.
| A． When | B．While | C．If | D．As |
The world Wide Web is sometimes jokingly called the World because it ________ be very slow.
| A．should | B．can | C．will | D．Must |
Mary was often told that she __________ her elder sister Ellen.
| A．reacted | B．reflected | C．recalled | D．resembled |