问题
is attention _____ on his book, he didn’tnotice me enter his study
A:are ; number ; is
B:/ ; quantities / are
C:be ; number ; are
D:/ ; quantities ;is
B:/ ; quantities / are
C:be ; number ; are
D:/ ; quantities ;is
正确答案是：
同类题型
Jenny keeps two pets. One is a dog, ______ is a rabbit.
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He asked us to __________him __________carrying through their plan.
A smile ______ the mother’s face when the son walked onto the platform to receive the prize.