I will write a letter to you as soon as I________in the USA．
A．arrive B．will arrive
C．arrived D．is arriving
_____that they haven’t known the news.
A. It seems B. It seemed
C. They seem D. They seemed
The children seemed _____ eating something in the room.
A. be B. been
C. to be D. being
---We can't be successful _____ we keep on working hard.
---I agree with you.
A. if B. because
C. unless D. until
—Your sweater looks nice. Is it wool?
—Yes, it is.
A. made of B. made in
C. made for D. made from
— Your coat looks nice. Is it __________ cotton?
— Yes. It’s __________ Shanghai.
A. made of; made by B. made of; made in
C. made from; made by D. made for; made in
