We have the most population in the world, and most of it _______ farmers.
| A．to be | B．is | C．are | D．being |
____ no cash for food, he broke into an old woman's house, hoping to steal some money.
| A．Because | B．As | C．Since | D．With |
The Internet and the effect _____ brought about did a lot of good to our daily life and work.
| A．that | B．what | C．which | D．it |
--- I’m not good at singing, you know.
--- _____. It’s just for fun.
| A．All right | B．No problem | C．Come on | D．Cheer up |
Drivers should be especially careful near schools, where there are _____ to be many children.
| A．possibly | B．probably | C．likely | D．seemly |
______ is obvious to the students that they should get well prepared for their future.
| A．It | B．What | C．That | D．This |