Robots         the house for us in the future.
#41540
A
clean
B
cleaned
C
will clean
D
/
推荐题目
 Tom ________ a letter from Terry for a long time.
#42664
A
didn’t receive
B
hasn’t got
C
didn’t have
D
hasn’t heard
While Ann ___ TV, her father came home.
#41786
A
is watching
B
was watching
C
watch
D
watches
Mr. Wang told us that the moon ______ round the earth.
#39997
A
traveled
B
travels
C
traveling
D
travel