This robot is supposed to save a lot of labor, but it remains a problem if it ______.
#37091
A
is
B
saves
C
does
D
has
推荐题目
People are really ______________ when they listen to music .
#41819
A
relaxed
B
relaxing
C
relax
D
to relax
Not only I but also her teacher ___________ China many times.
#38413
A
has gone to
B
went to
C
has been to
D
had been to
- What did the teacher say just now ? -Sorry .I didn’t catch it .I _____something else .
#41627
A
think
B
will think
C
was thinking
D
had thought
Every year lots of trees ________ to make our country more beautiful.
#39871
A
is planted
B
was planted
C
are planted
D
were planted