___________ certain that his invertion will lead to the development of production.
| A．That’s | B．This is | C．It’s | D．What’s |
The teacher tells his students to _______the dictionary for the new word.
| A．look up | B．consult | C．consult about | D．look over |
_______matters most in learning English is enough practice.
| A．What | B．Why | C．It | D．That |
“ We can’t go out in this weather,” said Bob,______ at the desk.
A. seating B. seated C. sat D sit
-------Excuse me. Is this the right way to No.1 Middle School?
------- Sorry, I am not sure. But it ______ be.
| A．will | B．must | C．might | D．can |
I’d appreciate _______if you would like to teach me how to use the computer.
| A．you | B．that | C．this | D．it |