--- I ______ so busily recently that I ______ no time to help you with your math. --- That’s OK. I can manage it by myself.
I bought a vase of the Ming dynasty at such a low price at the Sunday market. It was really a nice __________.
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.