A.restrict
B.limit
C.confine
D.restrain

A.didn’t know
B.don’t know
C.haven’t know
D.hadn’t known

A.have just finished
B.am just finishing
C.had just finished
D.am just going to finish

A.you need
B.which you need it
C.what you need
D.that you need it

A. relative
B. relates
C. relate
D. related

A.hand in
B.hand out
C.hands up

A. cooking
B. to cook
C. cook
D. with

A.1949
B.1950
C.1951
D.1952

A.suggested
B.motivated
C.moved

A.instead of
B.instead
C.regardless
D.regardless of

A.Yes，we do.
B.OK，let’s do it.
C.I’d like to.