—I’m not sure when the 6th national population census(人口普查)completed?—_______ November, 2010.
I will recommend Daniel because he never __________ at all times.
Usually, it’s easier to make _______ decision than to take _______ action.
If we don’t study hard, we will _______ in our class.
The scientist is very modest. He never______.
I hope you can ______me.