The proverb “Seeing a thing for oneself is better than hearing about it” means that secondhand experience is less ______ than firsthand experience, which is perfectly true.
| A．available | B．reasonable |
| C．reliable | D．unbelievable |
—What ________ an important part in their lives?
—Friends.
| A．plays | B．takes | C．makes | D．Acts |
He wouldn’t leave the TV set, ______ he was going to have an important exam the next day.
| A．even so | B．even if | C．as though | D．as if |
As soon as she saw her boyfriend, she ________ crying.
| A．burst into | B．broke out | C．burst out | D．broke in |
—May I ask a question after class，Sir?
—, but not during my lunch break.
| A．I am sorry | B．Anytime | C．Go ahead | D．Certainly |
The scientists have made _______ possible for us to communicate with each other more easily.
| A．it | B．that | C．this | D．them |