Come in. (改为否定句)_______ in.
A. Do come
B. Don't
C. Don't come
Do go
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Shut the door. (写出同义句) _______ the door.
A. Don't open
B. Don't close
C. Do open
Do close
You must air the room. (改为祈使句)______ the room.
A. Please
B. Air
C. To air
D. Airing
发音辨析选不同
A. sweep
B. meet
C. see
D. head
发音辨析选不同
A. clothes
B. thirsty
C. thank
D. third