1.Last summer I took a course on ------- .

1.Last summer I took a course on ------- .
A.how to make dresses B.how dresses to make C.how to be made dresses
D.how dresses to be made
2.The water will be further polluted unless some measures ----- .
A.will be taken B.are taken C.were taken D.had been taken
3.Early to bed and early to rise ----- a man healthy,wealthy and wise.
A.make B.had made C.makes D.will make
4.Little ----- about his own safety though he was in great danger himself.
A.does he care B.did he care C.he cares D.he cared
5.----- what the situation would be like,they decided to keep silent.
A.Knowing not B.Not know C.Not knowing D.Having not known
6.By the time he was twelve,Edison ------ to make a living by himself.
A.would begin B.has begun C.had begun D.was begun
7.“Are you ready for your paper?” “Not yet.I need ----- to read through it.”
A.other three minutes B.another three minutes C.three other minutes
D.more three minutes
8.I don’t think ----- possible to master a foreign language without much memory work.
A.this B.that C.its D.it
9.----- you have done might do harm to other people.
A.That B.What C.Which D.This