22.Camel is a kind animal living in__________.
A. sea
B. desert
C. land
D. forest
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23.If you want to be a commander, you must stand all kinds of__________.
A. try
B. experiment
C. testing
D. trial
24.I paid only £500 for this used car but it's__________much more.
A. worth
B. worthy
C. wound
D. windy
25.Mr. Black, there is a__________Smith waiting for you at the back door.
A. named
B. certain
C. some
D. another
26.Jane was tired. She__________all day.
A. was working
B. has worked
C. worked
D. had been working