He is very smart and canbe hidden from him

Has the professor’s talk got____ to do with your present research?– Yes, it has____ to do with my research

______ I park my car here for a while –No, you mustn’t. Do you see the sign “NO PARKING”

The old lady is said to have three children，two of ____studying abroad

We haven’t settled the problem of ________ it is necessary for him to study abroad