—I’m going to the States.
—How long ________you________ in the States?
| A．are; stayed | B．are; staying | C．have; stayed | D．did; stay |
Excuse me. I _____ I was blocking your way.
| A．didn’t realize | B．don’t realize | C．haven’t realized | D．won’t realize |
_____ terrible weather we’ve been having these days!
| A．How | B．How a | C．What | D．What a |
Everyone knows Americans as “Yanks” which _____ Yankees used during the Civil War for the northern states of the US.
| A．is short of | B．is short for | C．comes short of | D．goes short of |
Trees need water to grow; _____, friendship needs our heart and passion to develop.
| A．fortunately | B．generally | C．naturally | D．similarly |
I would appreciate _____ it a secret.
| A．your keeping | B．you to keep | C．that you keep | D．that you will keep |