英语高手请进题号:1 I wonder why they don’t allow ___ the library.选项:

英语高手请进
题号:1 I wonder why they don’t allow ___ the library.
选项:
a、to use
b、 us use
c、 us using
d、 us to use
题号:2Not knowing what to reply ___ such a question,we kept silent.
选项:
a、/
b、to
c、with
d、on
题号:3 Although he was badly hurt,he ___ explain what had happened.
选项:
a、could
b、might
c、was able to
d、could not
题号:4 The ___ stuck on the envelope says "By Air".
选项:
a、diagram
b、label
c、signal
d、mark
题号:5 It was in Britain ___ he got his Ph.D.
选项:
a、where
b、in which
c、that
d、there
题号:6 Who is the boy ___ by the window?
选项:
a、type
b、 typing
c、 to be typing
d、 typed
题号:7 What are you ___ if she asks you to stay?
选项:
a、doing
b、 to do
c、 to be done
d、to be doing
题号:8 Researchers discovered thatplants infected with a virus give off a gas that ___ disease resistance in beighboring plants.
选项:
a、contracts
b、acitvates
c、maintains
d、prescribe
题号:9 There was a big hole in the road which ___ the traffic.
选项:
a、set back
b、stood back
c、held up
d、kept down
题号:10 I’d rather you ___ the book to me now.
选项:
a、will return
b、 should return
c、 return
d、 returned
题号:11 You ___ here at 9,but now it is already 10.
选项:
a、ought to be
b、 need to be
c、 ought to have been
d、 need have been
题号:12 By ___ computation,he estimated that the repairs o the house would cost him a thousand dollars.
选项:
a、coarse
b、rude
c、crude
d、rough
题号:13 How many mile have you been ___ today?
选项:
a、reached
b、been
c、covered
d、away
题号:14 Now there is no need to worry about the deadline since we are ahead of ___.
选项:
a、table
b、 chare
c、schedule
d、graph
题号:15 Reading ___ the lines,I wold say that the Government are more worried than they will admit.
选项:
a、behind
b、between
c、along
d、among
题号:16 By the time you get to New York,I ___ forLondon.
选项:
a、would be leaving
b、am leaving
c、have already left
d、shall have left
题号:17 ___ the form with your name and your address.
选项:
a、Write
b、Fill in
c、Take down
d、cover
题号:18 The house isn't big enough for a family of four,and ___,the price is not reasonable.
选项:
a、even though
b、furthermore
c、 therefore
d、however
题号:19 If I were yo I ___ accept the invitation.
选项:
a、will
b、 would
c、 may
d、 should
题号:20 Since it is late to change my mind now,I am ___ to carrying out the plan.
选项:
a、obliged
b、committed
c、engaged
d、resolved