问题

The main unit _________ all the computer’s electronics.

A:contains;
B:shows;
C:uses;
D:helps;

正确答案是：

同类题型

st keep her mind on her medical studies now, so it would be years ______ shecould think about marriage.

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下列语言表述得体的一项(　　)

__, Sharon couldn’t find her lost wallet.

fter dinner, Wayne drove off ______ the direction ofParis