How many pens _________ there? (   )

A．are

B．do

--- When does the first class start?
--- It starts _________ 8 o’clock.

A．in

B．at

C．from

按要求完成句子。
【小题1】The ruler is in your desk. （对画线部分提问）
______ _____ my ruler.
【小题2】Is it under the book? （肯定回答）
_______, it _______.
【小题3】you  questions   Can   answer   the (?) （连词成句）
______________________________
【小题4】are  you  Where (?)（连词成句）
______________________________

你也想问对方同样的问题，你可以说：(   )

A．What are you?

B．What about you?

C．Where are you?

—What happened? (   )
—________

A．I'm out.

B．I'm stuck.

C．I'm happy.