—_____ the population of the U.S.A. in 2005?—It _____ about 296 million.A.What is; isB. What was; wasC. How many is; was
Jerry __________ to stay at home just now.
I am sure you will make it in the end _________ you have worked so hard.
–Is Tony home? -Yeah, he’s just _______ back from Chengdu.
Sam is a very good man. He always tries __________ best to help others.
We will have a big test ___________ June 12th. Good luck to you.