Mary, stop to have a rest. You _________ the flowers in your garden for nearly two hours.
#101159
A
are watering
B
were watering
C
water
D
have been watering
推荐题目
My sister-in-law___________ my brother for ten years.
#102198
A
married with
B
has married
C
has been married with
D
has been married to
In the near future, more advances in the robot technology       by scientists .
#102136
A
are making
B
are made
C
will make
D
will be made