those your quilts?
#43872
A
Is
B
Are
C
be
D
on
推荐题目
The number of the students in our school ____ rising since 2006.
#85809
A
is
B
has been
C
are
D
have been
He is the only one of the people here who ____ how to operate the computer.
#85796
A
knows
B
know
C
had known
D
known
Our football team _____ every match so far this year, but we still have three more games to play.
#85778
A
was winning
B
had won
C
has won
D
wins
—Lu does work hard. —Yeah. _____ of his time ______been spent on studies every day.
#43520
A
Four-fifths; has
B
Four-fifths; have
C
Four-five; has
D
Fourths-five; have
The first use of atomic weapons was in 1945, and their power ____increased enormously ever since.
#86339
A
is
B
was
C
has been
D
had been.