.Jim is _______ boy. A.a 8-years-old B.an 8-year-old C.an 8-years-old
—Can I help you,dear?—Yeah,I don’t know a banana milk shake. Maybe you can teach me.
_____ to improve English?
—Which sweater do you prefer, the yellow one or the pink one?—______. I like a light blue one.
I don’t know if he_________here. If he ___________tomorrow, I will tell you.
The world’s population is getting larger and larger, so scientists are trying to ______ new ways to solve the food shortage.