Many wild animals are , and it’s time for us to do whatever we can to protect them.

A. on duty B. on show

C. in order D. in danger

-Whose book is this? –It _______Lucy’s. But I’m not sure.

A. mustn’t be B. may be C. can’t be D. must be

Don’t forget ______ thanks when other people help you.

A. accept B. to accept

C. say D. to say

--It’s our duty______our city clean and beautiful.-Yes.We should do something for it

A. to keep B. keep C. keeps

Rock music sound popular with the young, but it's not the favor of the aged people.

A. must B. need C. should D. may

--Would you like to go swimming in the river with us? --I’d love to,but our teacher often tells us_______that.

A. not do B. to do C. not to do D. do

When I met Sandy at the station_______the first time,she was in the hall_______.

A. for;alone B. of;alone C. for;lonely D. /;lonely

Oh, no! It’s raining. We can’t go skating on the square. ____________!

A. What a shame B. Well done C. What a surprise D. How wonderful

The living areas of animals are becoming _______because people often cut down trees.

A. more bigger B. bigger and smaller C. larger and larger D. smaller and smaller

--I am ill.I am feeling terrible. -_______.You had better go and see the doctor.

A. Excuse me B. You are welcome C. I am sorry to hear that D. Thank you.