—Do you know ________ the school?
—About twenty minutes ago.
A. when he left B. when did he leave
C. when he leaves D. when does he leave
The milk ________ to us tomorrow.
A. will send B. is sent C. sends D. will be sent
I like the movie Harry Potter very much. I ________ it three times.
A. watch B. watched
C. was watching D. have watched
We will wait until everyone ________ back.
A. comes B. come
C. will come D. is coming
Wang Hui hopes ________ a scientist in the future.
A. be B. being
C. to be D. been
—Where is Gary?
—He _______ in the library.
A. read B. reads
C. is reading D. will read