In order to get good marks, he has changed his attitude ______ study.
He is wearing sunglasses to __________ his eyes from the strong sunlight.
It rained hard yesterday, __________ stopped me from going to work.
— Go for a picnic this weekend, OK?— __________. I love getting close to nature.
There was __________ time when the two countries were at __________ war.
—Dear, I can find a better job if I go to Germany, maybe.— Don’t be silly. ________, you know.