.—_____ you _____ your homework yet?
—Yes, I _____ it ten minutes ago.
| A．Did, do, finished | B．Have, done, have finished |
| C．Have, done, finished | D．Will, do, finish |
----Remember to turn off the lights when you leave the classroom.
---- _____________.
A. It doesn’t matter
B.OK, I will
C. You are welcome
----- Is that Mr. Smith?
----- It ______ be him, because he has gone to Beijing.
A. must B. should C. can’t
The clothes shop is _____ the right side ____ the street.
A. at, in B. for, of C. on, of
______ honest girl she is!
A. How B. What C. What an
The girl_____ is standing under the tree is my sister.
A. which B. where C. Who