问题

Linging, could you give me _____ advice on learning Chinese grammar

A:billion of
B:billions
C:billions of
D:billion;

正确答案是：

同类题型

Where did you meet your middle school teacher?— It was in the supermarket ______ I was doing some shopping with my son

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When she heard the bad news,she ________ completely.

If you enter this world knowing you are loved and you leave the world knowing the same, then everything ________ happens in between can be dealt with.

The man was very hungry, but his food _______ .