My mother prefers to take a bus to her office________she has a car of her own.
At last the boy was made_____ and began to laugh.
—Which would you like, tea or coffee? — Either______ OK, but I prefer coffee ______ milk.
As we know, England is ______ European country and Singapore is ______Asian country.
---Do you think there are______ new words in this unit ? ---Yes, that’s right. I’ll ______first.
---What _____useful book ! ---Yes, it is. But I find it ______ difficult for me to read.