23.I can know what it is just by__________.
A. crossing
B. feeling
C. fastening
D. gambling
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24.There is some__________on your coat.
A. dirty
B. funny
C. fun
D. dirt
25.We must do all we can to__________his fears.
A. move
B. pressure
C. shift
D. remove
26.Whenever he had time, he__________fishing at the lake.
A. will go
B. would go
C. go
D. went
27.You don't__________to go there if you have no time.
A. need
B. want
C. must
D. ought