The question of drug-taking is bound to(一定要) ______ at the next conference.
____________ we can’t get seems better than ____________ we have.
Sarah hopes to become a friend of _____________ shares her interests.
_____________ is a fact that English is accepted as an international language.
— Do you remember ____________ he came? — Yes, I do, he came by car.
He asked _____________ for the violin.