—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
推荐题目
It is important  ______ students  ______ carefully in class .
#43797
A
for, listening.
B
of , listen
C
for, to listen
D
of , to listen.
There _________a lot of fish in the water.
#44233
A
is
B
are
C
have
D
has
Not only the kids but also the teacher ________. We are worried because time is running out.
#43667
A
has lost
B
has gone missing
C
have lost their way
D
have disappeared