帮我做19道英语选择题,最好保证正确率,
1.Look after the children________ I am out.
A.though B.so that C.that D.while
2.I'll put off my visit to the exhibition _______ you can come with me.
A.what B.because C.until D.though
3.Mathilde,_________ wife of Pierre,lost the necklace she borrowed from Jeanne.
A.a B.an C.the D./
4.I can't use your pen______ there is no ink in it.
A.for B.since C.as D.because
5.He was in ___________hurry to catch __________train.
A.a,/ B.a,the C.the,/ D./,the
6.He could not remember ______ shelf he had kept it on.
A.what B.which C.that D.how
7.I must be off now,_______ my sister is expecting me.
A.or B.so C.for D.and
8._______ Li Ping's mother is________ teacher.She teaches English in _________middle school.
A./,a,/ B.The,a,a C./,a,a D./,an,the
9.Let's go at once,_____ we'll be late.
A.and B.or C.so D.yet
10.We can_____ see _______ touch air.
A.either,or B.both,and C.neither,nor D.not only,but
11.He left the knife________he had found it
A.after B.before C.where D.as
12.A is equal to B,B is equal to C,_____ A is equal to C
A.but B.yet C.for D.so
13.It's__________great pleasure that you are here.
A./ B.such a C.such D.the
14.________ he has finished writing the novel is unknown.
A.If B.Whether C.When D.While
15.The sky was cloudless_______ the sun was shining.
A.but B.and C.or D.for
16.______ water is______liquid.
A.The,a B.A,a C./,/,D./,a
17.______you' re trying to do is really too difficult for you.
A.What B.That C.Who D.If
18.I want to buy the jacket,_______I had no enough money with me.
A.but B.so C.for D.or
19.In spring it is________ hot_______ cold here.
A.both,and B.either,or C.neither,nor D.not only,but