--How many times he abroad before? --Never.
| A．has ; been to | B．has ; been | C．has ; gone to | D．has ; gone |
I’ll have an interview tomorrow, so I need to get my shoes _________.
| A．cleaned | B．cleans | C．to clean | D．cleaning |
I like sleeping with the window open ______ it’s too cold.
| A．if | B．when | C．until | D．unless |
When the teacher came in, the students stopped _______ and became very ________.
| A．to talk, quiet | B．talking, quiet | C．to talk, quietly | D．talking, quietly |
—Do you believe that paper is made _____wood ?
—Yes, I do . And you can see that books are made _____paper.
| A．from , from | B．from , of | C．of ,from | D．of ,of |
—How much ____the pair of trousers ?
—Sixty dollars _____enough .
| A．is, is | B．is, are | C．are, is | D．are, are |