30.You have no_________how worried I was when I heard the news.
A. thought
B. idea
C. opinion
D. belief
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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
34.When I saw Tom in his office last night,he_________on his presentation
A. will work
B. has worked
C. is working
D. was working