我是一名英语初学者,

我是一名英语初学者,
1、Not until I got home _____my parents had already had the house _____white.:
a、did I find ,painting
b、I found ,painted
c、have I found,painted
d、did I find,painted
2、While crossing the mountain area,all the men carried guns lest they ___ by wild animals.
a、should be attacked
b、 had been attacked
c、 must be attacked
d、 would be attacked
3、I have ________ awake all night thinking of them.
a、lays
b、lain
c、laid
d、lying
4、Once environmental damage _______,it takes many years for the system to recover.
a、has done
b、is to do
c、 does
d、is done
5、I will give this ticket to _____wants to have it.
a、whom
b、whoever
c、whomever
d、who
6、__ can we finish the work within three days.
a、By no way
b、In this way
c、By no means
d、By this means
7、The strong beam of light from a light house is used by sailors _______.
a、to determining their location
b、 in determining their location
c、with determining their location
d、 while determining their location
8、What happened in that class probably reflects what is happening in society _______.
a、at first
b、at random
c、at large
d、 at length
9、Many new _____ will be opened up in the future for those with a university education.
a、opportunities
b、necessities
c、realities
d、probabilities
10、Did you use to play the piano?______________.
a、Yes,I do
b、No,I didn't
c、Yes,I play it every day
d、No,I do
11、When the owner ran out ______the street,
a、into
b、of
c、on
d、in
12、Only freed from past burdens,can we _____ the present.
a、look forward to
b、dream of
c、take advantage of
d、free from