题目内容

29.We won't make any payment_________we receive your goods.

A. before
B. since
C. because
D. as

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30.You have no_________how worried I was when I heard the news.

A. thought
B. idea
C. opinion
D. belief

31. Some of you had failed to_________what I was saying.

A. understand
B. understanding
C. to understand
D. have understood

32.If you have difficulty making the payment, you may be able to______ a new plan.

A. getup
B. result from
C. take off
D. workout

33.We are a small business,____goal is to provide the best service to our neighborhood.

A. that
B. whose
C. who
D. which

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