—Excuse me, could you help me take this chair to my office?—I’m sorry, ______ I can’t help you right now. I’m too busy. 
#22371
A
and
B
but
C
so
D
because
推荐题目
—May I open the window to let in some fresh air?  —___________ 
#3282
A
Come on.
B
Take care.
C
Go ahead!
D
Hold on!
– Welcome to China !            – _________
#21471
A
Thank.
B
Thank you.
C
Yes.
D
OK.
----- I have passed the driving test! -----                !
#3426
A
Congratulation
B
Congratulate to you
C
Congratulating
D
Congratulations
—What’s your sister like?—_______. 
#21225
A
She is a worker
B
She likes pears
C
She is very thin
D
She is like her father
 ----- I must go now, thanks again for your hospitality. ------ _________.
#1514
A
My pleasure! So long!
B
With pleasure! Goodbye!
C
You are welcome! Go slowly!
D
Have a nice day! Good luck!