---Have you seen my English notebook?--- Oh, Jane must take it _____; she has the same one as yours.

. Short skirts ______a few years ago, but they have come back again. 

Doctors are doing research to find out what happens physically when people _________ smoking.

The old lady was kind enough as to ___ much money to the poor in the mountain village.

When everybody was listening carefully, the noise of several people fighting outside____ the professor’s speech.