91.( )Allan cut the big birthday cake _____ small pieces.
A. as B. to C. into D. in
90.( )--____ have you been at this factory? --I've been here since 1993.
A.When B.How long C.What time D.How often
89.( )Mike _____ his homework three hours ago.
A. finished B. has finished C. is finishing D. is going to finish
88.( ) David was born _____.
A.since twenty years ago B.for twenty years C.twenty years ago D.just over twenty years
87.( ) Linda will look after the children _____ we’re away.
A. that B. during C. while D. where
86.( ) I______ maths and science.
A. interest B. am interesting C. am interested D. am interested in
85.( ) Our teacher saw us ______ on the desks and went out of the classroom.
A. to sit B. sat C. siting D. sitting
84.( ) Do you know where ______ from?
A. he come B. he comes C. did he come D. does he came
83.( ) Which of these do you think is ____ useful invention?
A.the more B.the second more C.most D.the second most
82.( ) Everybody is here _______ Jim Green.
A. as B. with C. on D. except