问题

Since several years ago, many supermarkets in China have _______ free plastic (塑料的) bags.

A:is used to
B:was used to
C:used to
D:gets used to;

正确答案是：

同类题型

Two American couples each ___ a Chinese girl and they happen to be twin sisters.

This piece of music being played at the concertsweet.

Mary was on the point of leaving the room ___________the telephone rang.[ ]

Every time Gina catches her employees _____ time, she reminds them that time is money.

下列各句中,没有语病、句意明确的一句是