We collected a lot of books to get the necessary information but only half _________helpful, so we failed to finish the work.
#85971
A
is
B
are
C
was
D
were
推荐题目
Either the Greek or the Australian ________ the boxing competition.
#85591
A
have won
B
has won
C
are won
D
is won
There ________ lots of changes in our school in the last few years.
#44130
A
has
B
have
C
are
D
have been
The famous singer and actress ___________ performing in our city this week.
#86043
A
am
B
is
C
are
D
be
The number of people in the party _____fifty, but a number of them ____ absent for different reasons.
#85942
A
were; was
B
was; was
C
was; were
D
were; were
The government’s efforts to cut the homework burden of primary and middle school students _____ mixed reactions
#86156
A
have drawn
B
has drawn
C
have been drawn
D
has been drawn