Robots _____more heavy work for us in the future.
#36795
A
will do
B
did
C
have done
D
were doing
推荐题目
The final tests are coming, and the students _______ hard for them these days.
#36137
A
study
B
will study
C
are studying
D
studied
--When did you become a volunteer for the elderly?-- Two years ago. I ______ this group since then.
#41941
A
joined
B
took part in
C
have joined
D
have been in
He often_______ tennis with his friends. Now they_______ tennis at school.
#38513
A
play; play
B
plays; playing
C
plays; are playing
D
playing; are playing
I am a teacher and I _____ in this school for 5 years.
#40421
A
teach
B
taught
C
will teach
D
have taught
-When did your computer go wrong? -Last night, while I_______ some music from a website.
#38149
A
downloaded
B
am downloading
C
was downloading
D
have downloaded