Half of the class       done most of the work. The rest       rather difficult.
#50810
A
has, is
B
have, are
C
have, is
D
has, are
推荐题目
 I’d like _____ Tom _____ the new chairperson of the Students’ Union.
#49755
A
to recommend , as
B
to recommend, for
C
recommending, as
D
recommending, for
–please don’t forget _______ the window when you leave.--OK.
#49546
A
closing
B
close
C
closed
D
to close