Bob learned a lot__________ tomorrow’s weather .
A. on B. from C. for D. about
He showed the visitors ________the library .
A.in B. for C. to D. around
----When did you visit the zoo? ----_____________.
A. Tomorrow B. Last week
C. In three days D. Next week
----Where’s Li Lei? ----Over there. I heard him _____when I came.
A. singing B. sang C. sings D. to sing
I didn’t see _______ in the room.
A. nothing B. everything
C. something D. anything
________the school trip yesterday?
A . How is B. How was
C. What was D. What is