问题
选择题
Robots _______ do housework instead of people in the future.
A．will be able to
B．will can
C．could
D．were able to
答案
答案：A
选A。考查动词时态。由in the future(在将来)可知应用一般将来时，can没有将来时，故选A。
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Robots _______ do housework instead of people in the future.
A．will be able to
B．will can
C．could
D．were able to
答案：A
选A。考查动词时态。由in the future(在将来)可知应用一般将来时，can没有将来时，故选A。