______ you make a promise, you should keep ______.
| A．Once… it | B．If… it | C．When … one | D．Although … one |
—Why didn’t you come to Simon’s party last night?
—I wanted to, but my mom simply _____ not let me out so late at night.
| A. could |
B. might |
C. would |
D. should |
Shirley, a real book lover, often brings home many books to read _____ the library.
| A. in |
B. for |
C. by |
D. from |
-Are you going to take part in the speech contest?
-_____ It's too good an opportunity to miss.
| A． |
No problem! |
| B． |
That's for sure. |
| C． |
Why me? |
| D． |
Why bother? |
It is still under discussion _____ the old bus station should be replaced with a modern hotel or not.
| A. whether |
B. when |
C. which |
D. where |
That piece of music sounds quite familiar. Who _____ the piano upstairs?
| A. has played |
B. played |
C. plays |
D. is playing |