问题

Lucy _________ really quiet but now she isvery outgoing. —Yes. She has changeda lot.

A: use to be
B:used to
C:used tobe
D: be used to be

正确答案是：

同类题型

you must have noticed the student whobroke the window —I’m sorry I _______ attentively

Can you tell me ____ in the future

Every minute must be made full use _______ in class.

There _______plenty of milk in the fridge.

Mother’s Day is celebrated across the world on the Sundayin May.—That’s right. People show their love for theirmothers by giving some presents.