These animals are in danger．We should think ______ to protect them．
| A．how we can do | B．how can we do |
| C．what we can do | D．what can we do |
相关试题
Which colour do you like , purple, orange or pink?
| A． | well |
B． | good |
C． | better |
D． | best |
Miss Li studied at a college in Beijing from 2016 2020.
| A． | toB of |
B． | in |
C． | with |
I have my own advantages and my friends have .
| A． | his |
B． | hers |
C． | theirs |
D． | ours |
In the picture, the students are . 
| A． | swimming |
| B． | playing ball games |
| C． | flying kites |
| D． | doing morning exercises |
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