This is really a wonderful party with interestingpeople and great food.—I’m glad you are _____.

We thought Tom wouldn’t pass the exam, but to ___, he passed

___________ they lack official support, they continue their struggle.[ ]

I don’t think waste watershould be put into the rivers or lakes.—-_____.It will cause muchwater pollution.

下列各句中，没有语病的一句是（ ）