1. Our (化学) teacher often does experiments in class, which makes us feel excited.
2. You needn’t (怀疑) his abilities to organize such a charity show.
3. The TV show Readers invites famous people to read (大声地) for viewers.
4. To make (进步) a little every day is the beginning of taking the lead.
5. Jiangnan, a famous area in China, is always (提及) in many Chinese poems for its beautiful landscapes.
6. The boy was excited because he answered the question (correct).
7. The girl didn’t arrive at school on time. It made her teachers (worry).
8. You can’t improve your (pronounce) unless you keep practising.
9. The parents feel (pride) of their son because of his great achievements.
10. (deal) with the daily rubbish is still a big problem in some less developed areas.

() 1. Don’t laugh ______ people when they are ______ trouble.
A.on; in
B.at; in
C.on; at
D.in; at

() 2. —The food here is very nice. Thank you for inviting me.
—______ I’m glad you enjoyed it.

A.Don’t mention it.
B.Never mind.
C.With pleasure.
D.All right.

() 3. ______ great progress he has made! I really think it’s ______ great success.
A.What a; /
B.What; a
C.How; a
D.What; /

() 4. What a pity! The new programme could hardly help him work out the problem, ______?
A.did it
B.couldn’t it
C.didn’t it
D.could it