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
——How often do I need to feed the dog?——It___food everyday, or it will be hungry.
#39158
A
must give
B
must be give
C
must be given
D
must be gave
--Did you borrow the book from the library ? ---Yes. I _______ it for three days. I’ll return it this afternoon.
#42002
A
borrowed
B
kept
C
have borrowed
D
have kept
— Mr. Lee ____ to a student when I entered the classroom this morning.-- He is very patient ____he is young.
#39865
A
talking; but
B
talks; though
C
was talking, though
D
talked, however
Tomorrow is Dragon Boat Day, so my mother and my grandma __ a big meal for our family in the kitchen.
#36158
A
are preparing
B
had prepared
C
prepare
D
prepared
--My father ___________ a letter yesterday, but I’m not sure if he has finished it. ---Why not ask him about it ?
#40578
A
wrote
B
was writing
C
has written
D
writes