According to the passage, a competent baby-sitter should be able to__________ .
A. amuse the baby
B. calm down a crying child
C. deal with unexpected situations
D. give the child assistance at any time
第1题:
______ it rain tomorrow moring, the loading ______.
A.Should / will be postponed
B.If / shall be postponed
C.Should / would be postponed
D.If / has to be postponed
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