The top students believe being careful is the ______ to good scores on their exams.
A. secret B. form C.process
—Tommy, you can never let others know what I have told you today.
—Don’t worry. I will keep the ______.
| A．address | B．money | C．secret | D．stone |
－Your aunt often walks the dog in the morning.－Yeah, bad weather stops her.
| A． unless | B． when | C．because | D．since |
—Look at the boy running on the ground. Is it David?
—It be him. I saw him go to the teacher’s office just now.
| A．must | B．mustn’t | C．can’t | D．might |
—______ you ______ go to work by car? —Yes. But now I take the bus to work.
| A．Are, used to | B．Did, use to | C．Do, use to | D．Were, used to |
Which underlined part is different from the others in pronunciation?
| A．face | B． race | C．candy | D．waste |