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【題目】Scientists are making great efforts to develop new drugs to avoid the situation ____ the drug has more or less some side effect which will effect other organs.

【題目】I don’t know the reason you were absent from the meeting.

【題目】The President, ____ administration has been under constant fire during the last eighteen months, is unlikely to seek a second term of life.

【題目】Have you ever heard such stories about those loyal dogs ____ in this book?

【題目】Instead of getting down to a new task as I _____, he examined the previous work again.

【題目】What does the woman do?

【題目】Why doesn’t the girl lend a pen to the boy?

【題目】It is not a problem _____ we can win the battle; it’s just a matter of time.

【題目】We felt _____ at the ______ news.

【題目】_____ I am worried about is the fact ______ more and more children become overweight.