小题1:Li Ming said he _______________ (be) happy if Brian came to China.

小题2:Your report must _______________ (hand) in before the meeting begins.

小题3:—Did you see Jack at the party?

—No, he _______________ (leave) by the time I arrived.

小题4:__________ (attend) the meeting on time, he decided to take a taxi to go there.

小题5:Each of us should be against _______________ (smoke) in public places.

小题6:When the pop singer appeared, his fans _______________ (scream) with excitement.

小题7:I wonder what _______________ (happen) to her? She looks so weak today.

小题8:Mary wants to be a great actress like Fan Bingbing when she ______ (finish) school.

以下说法错误的是（　　）

A．钠在常温下就容易被氧化

B．钠受热后能够着火燃烧

C．钠在空气中缓慢氧化能自燃

D．钠在氧气中燃烧更为激烈