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【单选题】
Why hasn’t he come?________ on time, we would have to put off the trip.A.
If he doesn’t come
B.
If he will not come
C.
If he didn’t come
D.
If he wouldn’t come
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举一反三
【单选题】She does not have a real friend because she always treats people with an air of__________.
A.
arrogance
B.
fragrance
C.
returned
D.
appetizer
【单选题】A nurse is not qualified if she does not have patience and show concern for her patients.
A.
Right
B.
Wrong
C.
Not mentioned