—Can you guess _______ the new T-shirt last week?
—Sorry, I don't know.
A:how much did she pay for
B:how much does she pay for
C:how much she paid for
如图所示的转化关系中,A、C为常见的气体,B常温下是一种液体,D为黑色固体.
已知:
将灯L1、L2串联在某电路中,发现灯L2比灯L1亮很多,下列说法正确的是( )
-- Hello, may I speak to Mr Smith?
-- Sorry, he isn't in. He the office.