He asked the company _______ it was brave enough to publish his complaint.
A. that
B. if
C. to
D. which
查看答案
The company was brave enough to _______ the customer's complaint.
A. reply
B. respond
C. respond to
D. imply
He travelled _______ North China _______ South China last month.
A. from...to...
B. in...in...
C. from...until...
D. to...to...
People find it very _______ if their complaints are just ignored.
A. annoy
B. annoying
C. annoyed
D. annoys
It is more _______ to complain by email rather than having to write a letter.
A. convenience
B. convenient
C. much convenient
D. conveniently
微信支付 
支付宝支付