31.I _____ with thanks the help of my colleagues in the preparation of this new column.
A.express
B.confess
C.verify
D.acknowledge
32.I always _____ what I have said.
A.get to
B.see to
C.lead to
D.hold to
33.I am not used _____ to like that.
A.to being spoken
B.to speak
C.being spoken
D.to speaking
34.I am sorry that I must _____ your invitation owing to a previous appointment.
A.decline
B.reject
C.accept
D.receive
35.I appreciate _____ to your home.
A.to be invited
B.to have invited
C.being invited
D.having invited
36.I can _____ some noise while I'm studying, but I can't stand loud noises.
A.come up with
B.catch up with
C.put up with
D.keep up with
37.I cannot give you _____ for the type of car you sell because there is no demand for it in the market.
A.an expense
B.a charge
C.a purchase
D.an order
38.I didn't quite _____ to what you had sai
D.Would you mind repeating it?
A.catch on
B.get hold
C.catch up
D.go on
39.I didn't say anything like that at all.You are purposely _____ my idea to prove your point.
A.revising
B.contradicting
C.distorting
D.distracting
40.I felt somewhat disappointed and was about to leave, _____ something occurred which attracted my attention.
A.unless
B.until
C.when
D.while