A very large number of the students in our school _______from the countryside. Besides, the number of girls ______ more than half of the total.
------ Our holiday cost a lot of money. ------ Did it? Well, that doesn’t matter ______ you enjoyed yourselves.
I was so familiar with her that I recognized her voice ______ I picked up the phone.
You have to wear a helmet and a life jacket for protection, just ___ you fall into the water. A. in case C. unless C. though D. As
I toured the Great Wall,I was deeply impressed with the beautiful scenery.
He was about to leave the office for home _______someone knocked the door and asked for some help.