Look, the Maths teacher with his students _________on the grass to have a good rest at present.
#43920
A
is lying
B
is lieing
C
are lying
D
be lying
推荐题目
 Between two rows of trees _____ the teaching building. 
#86196
A
stand  
B
stands  
C
standing   
D
are
It was reported that six  _____ including a boy.
#86126
A
waskilled
B
werekilled
C
waskilling
D
hadkilled
When  ______  the United Nations founded?
#86067
A
is
B
are
C
was
D
were