It is everyone’s duty to ______the rules of our school.
| A．watch | B．observe | C．notice | D．see |
In many parts of China, ________ the idea ______ boys are more important than girls.
| A．it has; which | B．there exists; that |
| C．there is existing; which | D．there remains to be; that |
I was impressed _______ his huge feet ________ approximately 1 foot 8 inches.
| A．in; measuring | B．about; measured |
| C．with; measuring | D．for; measured |
As early as his second film, Chaplin had developed his own manner of acting, the one that ________world famous.
| A．would become | B．had become |
| C．was to become | D．became |
________ your son is well again, you no longer have anything to worry about.
| A．If | B．when | C．Now that | D．As soon as |
Here’s a _____ in our office that when it’s somebody’s birthday, they bring in a cake for us all to share.
| A．tradition | B．balance | C．concern | D．topic |