—What if he failed in the next monthly examination again?  — I don’t know. ______ heart and be reduced _____ the class?

The cinema was crowded with many people,     many children ______on their parents’ laps.

You'd better not have the lights _____ all day long.

They sat face to face, ________ about the things they were interested in for a long time.

The purpose of technology is to make it easier, ______ it more difficult.