1.You should have put the milk in the ice-box; I expect it _____ undrinkable by now.
A.became B. had become C.has become D. becomes
2.The tendency to lie is perhaps _____ originally by imitations. It grows into a habit, unknown to its possessors.
A. taken to B. taken over C.taken in D. taken up
3.There were no tickets _____ for Friday's performance.
A. preferable B. considerable C. possible D. available
4.Don't _____ this news to the public until we give you the go-ahead.
A. release B. relieve C. relate D. retain
5.The actual _____ by which coal is extracted is well worth watching.
A. process B. procession C. pattern D. conduct