【题目】John was taking photos when it snowed yesterday.(对画线部分提问)
John when it snowed yesterday?

A. herB. youC. himD. them

【题目】Mr. Li took Mr. Wang's place to teach math.
Mr. Li taught math Mr. Wang.

【题目】— When should we get to the airport?
一 At 11 a.m.
A.go to
B.leave for
C.arrive at

—Sorry, I don’t know. I ________ an email at that time.

A. writeB. will writeC. wroteD. was writing

【题目】I am able to speak four foreign languages.
A.will
B.can
C.shall

—He ________ basketball on the playground.

A. playB. playedC. is playingD. plays

【题目】— I visited the Purple Mountain Observatory last Sunday.
一 _______ Why didn't you tell me earlier?
A.You did?
B.I hope so.
C.Have a good time.

A. Are , isn’t B. Is , aren’t C. Are , aren’t D. Are , are