He failed in the exam ____ his carelessness.
It took seven years __________ they finally got married.
— Where is the panda?— It __________ by the doctor now.
Mary never does any reading in the evening, __________.
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.