写出下列动词的第三人称单数形式。
do__________ play__________ help__________
teach__________ push__________ carry__________
study__________ have__________
相关试题
看图，完成对话。
A: ________ the ________ ?
B : It's ________ .
A: It's ________ to ________ ________ .
B: Yes, it's ________ .
A: Let's hurry.
看图，完成对话。
A: ________ this?
B : It's a ________ .
A: Whose ________ is it?
B : Guess.
A: Is this ________ ________ ?
B : No, it's ________ my________. It's Helen's.
A : I see.
听录音，完成对话。
A: What's ________ ? B : It's a ________ .
A: ________ I ________ a look? B : ________ .
A: I'd like this ________ ,________ . B：________ you________ ．
A：________ ________ ．
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