Are you going camping this weekend？
I'm not sure ________ the road to the mountains will be closed because of the heavy rain．（ ）
A．thatB．whyC．whetherD．which
I'll spend as much time as I can ________in an old people's home．（ ）
A．helpB．to helpC．helping
I'm not sure whether we can have a picnic on Saturday evening，because it _________the weather．（ ）
A．stands forB．lives on
C．agrees withD．depends on
He______be in the classroom，I think．
No，he____be in the classroom．I saw him go home a minute ago．（ ）
A．can； may notB．must； may not
C．may； mustn'tD．may； can't
He ______ a book yesterday．It ______ him 50 yuan．（ ）
A．bought； paidB．spent； took
C．paid； spentD．bought； cost
She _________ ten years ago．
You mean she _________ him for ten years？（ ）
A．married； has got married to
B．got married； has got married with
C．got married； has been married with
D．got married； has been married to