--- Look!Somebody ___ the sofa.--- Well,it wasn’t me. I didn’t do it.
#100376
A
is cleaning
B
was cleaning
C
has cleaned
D
had cleaned
推荐题目
 What our teacher said ______ me. 
#103374
A
surprised
B
surprise
C
is surprised
D
is surprising
 —Id like a pen which _________ well.—Will this one _________?
#104160
A
writes; do  
B
writes; work
C
is written; do
D
is written;work