be great at A.擅长 B.明白
A: Where's John?B: ________A.He's over there. B.Which one?C.Oh,she's in the classroom.
John ________ drawing pictures.A.like B.likes C.liking
I'm in ________ room.A.he B.my C.me
This is Mr Li's room.________ room is clean.A.He B.His C.A
I put my flower ________ the sun every day.A.in B.for C.on