A. Though, / B. Although, but C. Because, so

A. until B.before C.while D.after

【題目】一 If we go on ______ our environment，we will be punished.
— You're right. We should stop doing this.
A.living
B.polluting
C.protecting

【題目】一 Who is the boy in blue?
一 He is my ______ brother. He's three years older than me.
A.elder
B.younger
C.old

【題目】一 David ______ has breakfast.
一 It's bad for his health. I am worried about him.
A.seldom
B.often
C.always

A. mustn’t B. can’t

C. must D. can

【題目】一 Cows ______ us ______ fresh milk every day.
一 Yes. That's why we have fresh milk to drink every day.
A.provide; to
B.provide; with
C.give; with

【題目】Sam had problemswhat job to do after he left school．
A.to decide
B.deciding
C.to worry
D.worrying

A. thousands of; two hundreds

B. thousand of; two hundred

C. thousands of; two hundred

D. thousand of; two hundreds

【題目】If someone is ______, they behave in a pleasant, kind way, and like to be with other people.
A.healthy
B.strict
C.friendly