英语高手请进.请写出过程和原因...----表示横线1.The artist has got ---- much wor

英语高手请进.
请写出过程和原因...----表示横线
1.The artist has got ---- much work to do that he hardly has time to help his wife with the housework.
-That's true. Even on Sundays he is busy with his work.
A.too B.so C.very D.such
2.The accident happened ---- a freezing winter morning.
A.on B.in C.at D.since
3.How many times have you ---- from your penfriend since last year?
A.heard B.received C.got D.written
4.We will do what we can ----ourselves this term.
-It's high time time for you to work hard.
A.improve B.to improve C.be improved D.be improving
5.How many English words had you learned ---- the end of last term?
-Around 2000,but I've forgotten most of them.
A.by B.at C.to D.on