While my mother________ some washing, I was making  a kite for Mary. 
#40261
A
did
B
was doing
C
is doing
D
does
推荐题目
Have you ever ________ the Great wall?
#40391
A
been to
B
gone to
C
go to
D
been
 Zhang Lan likes English, but she _______ maths.
#40071
A
isn’t like
B
doesn’t like
C
aren’t like
D
don’t like
The books______ into many other languages last year.
#38279
A
translate
B
translated
C
are translated
D
were translated