It was when we were returning home ________ I realized what a good feeling it was to have helped someone in trouble.
The Arabian Nights ____ well known to the English.
The number of deer, mountain lions and wild roses ____ much if people leave things as they are.
A large number of students in our class____ girls.
There ____ a pen, two pencils and three books on the desk.
20 They told me it would be cheap but ________it cost me nearly 5000 yuan.