It is demanded that you ____ at six.
A. will arrive B. arrive C. arrived D. would arrive
At present，there is little doubt ________ short message plays an increasingly important role in our lives．
A．whether B．if C．that D．which
— Are you a teacher?
— No, but I ______. I worked in a middle school for three years.
A. am B. will C. do D. was
— Is your mother going to the supermarket？
— No，______.
A. she doesn’t B. she’s cooking C. she gets by bus D. to a tailor’s shop
______，I will help you with your work.
A. If I am possible B. If it possible C. If possible D. Possible
You’d better put things back _______. Otherwise, it will be difficult to find things.
A. in danger B. in trouble C. in place D. in a hurry
