The boy became fatter and fatter each day and __________ made his parents sad.

---- What did your parents think about your decision?
----They always let me do   I think I should.

Can you think of some cases           people are likely to tell lies?

The newly-married couple quarreled so much that they reached the point _______ they had to separate from each other.

Stand up _______ you fell down, and I’m sure you’ll succeed in time.

I had been puzzled over the problem for over an hour without any result,      all at once a solution flashed across my mind.

Betty shows great interest in this poem now, but she thought it boring     she read it.

_____ computers are convenient to us in daily life, it may also cause other problems.

_______ ninety-nine percent of the panda’s diet is bamboo, it also eats corn,
apples and sweet potatoes.

Professor Li always allows his students to voice their opinions in class, ______ sometimes their opinions are not sound.