第1题
A.enveloped
B.protected
C.insulated
D.subtracted
第2题
A.enveloped
B.protected
C.insulated
D.subtracted
第3题
A.he worries about
B.he worried about
C.did he worry about
D.does he worry about
第4题
A.he worries about
B.he worried about
C.did he worry about
D.does he worry about
第5题
A.She worries about Tom to get a bad cold.
B.She knows that Tom used to wear more clothes in autumn.
C.She'll take Tom to see other children who'll have their tonsils(扁桃腺) out.
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