Ihavebeenstudyinghereforfouryears,bynextsummerI________.
A、shallgraduateComrade Li ________ be in Beijing because I saw him in town only a few minutes ago.
How long ________ they ________ (dig) the ditch?
I wish you ________ like that.
To succeed in a scientific research project ________.
Heaskedmewhethermybrother________(fly)toBeijing.
