Polly goes to a gym twice ( ) week with her friends.A.aB.theC.anD./

问题描述:

Polly goes to a gym twice ( ) week with her friends.
A.a
B.the
C.an
D./

选A。每周两次

A。
twice a week :一周两次
Plloy和她的朋友一周去两次健身馆。

A
twice a week 一周两次

A 每周两次