问题

Why did you get up so early ___ thismorning.

A:if
B:and
C:since
D:unless

正确答案是：

同类题型

下列各句中，没有语病的一句是

That Sun Yang won two gold medals in London Olympicsis ______ to people all over China.

The year1949 the birth of a newChina

Some small shops in Britain usually close for ______ hour at ______ lunchtime.

Call me when you_ ____at the railway station, Alice, I’ll go there to meet you.