() 1. —Mum, you look tired. Did you take a nap (午睡) in the afternoon?
—No, I worked all day. I didn't even stop ______ lunch.

A.eat
B.eating
C.to eat
D.to eating

() 2. —What do you think of your monitor?
—He is very hard-working. He is always the first ______ to school.

A.get
B.gets
C.to get
D.got

() 3. —Don't forget ______ the book to the library after finishing ______ it.
—OK, I will.
A.to return; to read
B.returning; reading
C.to return; reading
D.returning; to read

() 4. —There are so many kinds of cards. I don't know ______.
—I think you can choose some about Chinese culture.

A.where to choose
B.which one to buy
C.which to buy one
D.when to choose

() 5. —Mr Lee is an animal lover. He does everything he can ______ animals.
—He is really a friend of animals.

A.hunting
B.to hunt
C.to protect
D.protecting

二、词汇运用
Polar bears are lovely and amazing animals. They eat a lot and get very ______1______ to keep warm in the extremely (极其) cold environment. However, they are in danger now. Because of global warming, the ice is melting (融化). It is difficult for them ______2______ (hunt) for food. Their living areas are getting smaller too.
Luckily, many people and organizations are ______3______ (take) action. Scientists spend years studying polar bears, ______4______ (manage) to find better ways to protect them. Other people also do ______5______ (meaning) things like donating money. I hope, with people's kindnesses, these lovely animals can live in their natural habitats happily as before.
1. 2. 3. 4. 5.