Eugene’s never willing to alter any of his opinions, so it’s no use ________ with him.
| A．to argue | B．arguing |
| C．argued | D．having argued |
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 |
Americans eat____ vegetables per person today as they did in 1990.
| A．more than twice | B．as twice as many |
| C．twice as many as | D．more than twice as many |
The World Wide Web is sometimes jokingly called the World Wide Wait because it ________ be very slow.
| A．should | B．must | C．will | D．can |