He has been running______.
#51530
A
since two hours
B
for two o’clock
C
two hours ago
D
for two hours
推荐题目
______ comes after (在……后) seven. 
#51841
A
Six
B
Eight
C
Seven
D
Five
Tom watches TV four          five             a  week..
#51418
A
and , times
B
and , time
C
or. times
D
or, time.
 ---The number of the students in our school is about nine _____.   ---I see. ______of them are boys.
#51526
A
hundred; Two thirds
B
hundred ; Two third
C
hundreds; Two thirds
D
hundreds; Two third
    of the students in our class        money for the disabled people these days.
#51566
A
Half; has raised
B
Two thirds; has raised
C
Three fourth ; have raised
D
Three fifths; have raised