【题目】Take an active part in the activities you enjoy ____ you can make many friends．

【题目】Not only can ______shut-eye leave us feeling tired and lazy but it can also be damaging our health and looks.

【题目】When I turned back, I noticed again there was no _________of him in the mirror.

【题目】In spite of many invitations, he would always________ to join the get-togethers on account of his health condition.

【题目】Most students in our class prefer taking pains in our studies to _____ with a better education．

【题目】A group of soldiers with water and food were sent to _________the miners.

【题目】Researchers _______ to study mice from early ages but came across technical difficulties, so they weren’t sure they could expect clear results.

【题目】In the 1970s, an opera company _________a new production of ‘King Lear’, in which Patrick Magee starred.

【题目】The author couldn’t _________it _________, so I can’t make out what the article says.

【题目】Our government has tried various channels to raise and _________social security funds.