—Linda, I called you this morning, but nobody answered the phone. —I'm sorry. I a picnic with my family then.
Most of the pandas are living in the __________ . A. nature Reserves B. Nature Reserves C. nature Reserves
We need _________ more exercises every day. A. to do B. doing C. do
Don't ________ my bread . I want to eat it now. A. take to B. take off C. take away
Whales are living ___________. A. in sea B. in the sea C. on the land
Camels can walk a long way without __________ . A. to drink B. drinks C. drinking