—Where you just now?—I at the library.A. was; were B. are; was C. were; was
_________ a toy shop over there .
What ________ his classmates _________ now ? A.is , doing B.are , doing C.do , doing
Let’s _______ the song “Good morning”.
My grandpa enjoys _______TV.
Please wait ________ me . A.at B .for C .to