( )71. We should help her when she is ________.
A. in trouble B. in a trouble C. in the trouble D. in troubles
( )72. The policeman kept the thief ________ for four hours.
A. standing B. to stand C. to sit D. siting
( )73. I want to visit England ______.
A. if it possible B. as soon possible C. as soon as possible D. if possible
( )74. They ______Hong Kong twice.
A. have gone to B. have been to C. have been in D. have gone in
( )75. I have never seen _____film before.
A.a so interesting B.a such interesting C.so a interesting D. such an interesting