问题

What’s wrong with you, Madam – I’ve lost my valuable painting.But a week had gone by _______ I knew it was missing.

A: while
B: since
C:until
D:before

正确答案是：

同类题型

It is in their ability to speak ________ humans ________ from animals.

After school, we often play __________ football on __________ playground.

The two countries are going to meet to _______ some barriers to trade between them.

Nice to meet you, Lily. —-_______, Sandy.

my father my mother are able to drive a car.