The twin sisters_____ under the tree, chatting happily. A. lied B. are

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The twin sisters_____ under the tree, chatting happily.

A. lied
B. are lying
C. lying
D. lain

答案

举一反三

Look, Tom _______ as a clown[     ]
A. is dressing up
B. put on
C. worn
D. picked up

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The zookeeper is worried because the number of visitors      smaller and smaller.   [     ]
A. become
B .became
C. is becoming
D. have become

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It"s eight o"clock Henry _____ the phone. [     ]
A. talks on
B. talks in
C. is talking on
D. is talking in

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—What are you doing?
—I _____ a letter to my pen pal. [     ]
A. write
B. am writing
C. writes
D. am write

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The twins are _____. They aren"t _____.[     ]
A. swim; run
B. swimming; run
C. swimming; running
D. swim; running"

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