桰 don't know ________ with this problem. It's too hard.
梇ou can ask Mr Wang for help.
A. which to do
B. when to do
C. what to do
D. how to do
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科目:初中英語(yǔ) 來(lái)源: 題型:013
梂hy did ________ take Aunt Alice almost an hour to get home?
桰 don't know. Maybe there was something wrong with her car.
A. that
B. it
C. she
D. this
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科目:初中英語(yǔ) 來(lái)源: 題型:013
桯as William finished writing his gradua-tion paper yet?
桰 don't know exactly, but he ________ all day.
A. is writing
B. has been writing
C. was writing
D. wrote
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科目:初中英語(yǔ) 來(lái)源: 題型:022
(用適當(dāng)形式填空)梂hen ______ you ______ (come) to my home again?
桰 don't know. But when I ______ (come), I'll phone you.
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科目:初中英語(yǔ) 來(lái)源: 題型:022
(用所給單詞的適當(dāng)形式填空)桯ow soon will the concert start,Daming?
桰 don't know.Oh,listen!They start ________(play).
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