选择正确的单词
1. Jenny and Danny arrive __________ (on, in) Shijiazhuang today.
2. Did you have __________ (a, an) nice trip?
3. I want to __________ (take, by) a bus to Beijing.
4. __________ (How, What) can we go to Beijing?
5. We will arrive in Beijing __________ (in, at) the afternoon.

选择不同类的单词：(   )

A．up

B．a

C．down

I have _______ headache.    （ ）

A．an

B．/

C．a

—Would you like ___________ apples? (   )
—No, I want ___________ orange.

A．a; an

B．some; an

C．any; a

Dragon Tower is ______ very important building in Harbin. ( )

A．an

B．a

C．/