I think you should complain __________,of course, you are happy with the way things are.
A．if B．unless C．as D．because
_________in charge of the shopping center has upset him for quite some time.
A. Left B. Being left C. Having left D. To leave
As Susan stared at ______ piles of plastic in her recycling bin, ______ strong sense of responsibility made her stick to her recycling work．
A．不填；不填 B．不填; a C．the ; a D．the; the
—Ring me at six tomorrow morning, will you?
—Why that early? I ______.
A．will be sleeping B．will sleep C．have slept D．have been sleeping
--------Mary, the telephone is ringing!
---------______, but I am washing my hair.
A. I’m sorry B. You answer it C. Hold on D. That’s good
-----Excuse me , but I want to use your bike?
------You ____have my bike if you don’t take care of it.
A. shouldn’t B. needn’t C. shan’t D. might not
