---What about ______ conference you attended last week? ---To tell the truth, it was too boring, you know, _____ conference like that.
When _____ with prices of goods, the quality of the goods has to be taken into consideration.
— This apple pie is too sweet, don’t you think so? — ____________. I think it’s just right, actually.
Not until all the fish died in the river ____________ how serious the pollution was.
If he ___________ my advice then, he would not be in trouble now.
It doesn’t matter ___________ you turn right or left at the crossing — both roads lead to the park.