— ____ sweep the classroom yesterday？—I was playing tennis with my friend．
#104570
A
Why not
B
Why didn't
C
Why don't
D
Why didn't you
推荐题目
Look out! Don’t get close to the building. It _________.
#99785
A
was rebuilt
B
has been rebuilt
C
is being rebuilt
D
had been rebuilt
—What happened to you the other day?—I to Beijing,but I missed my flight.
#103942
A
would fly
B
was flying
C
had flown
D
flew
---Has your family been living in Nangang District, Harbin? ---No, we ______ in Daoli District for four years.
#99112
A
have lived
B
had lived
C
has been living
D
lived
Though having lived abroad for years, many Chinese still_______the traditional customs.
#99868
A
participate
B
attract
C
observe
D
risk