---when _______the telephone________，do you know?
---Yes．In 1876．
| A．was，invented | B．are；invented | C．did；invent | D．had，invented |
It’s not easy for trailwalkers to finish walking a__ trail within 48 hours.
| A．100-kilometre | B．100-kilometres |
| C．100 kilometres | D．100 kilometres’ |
This kind of computer ________ too much. I can’t afford one.
| A．takes | B．spends |
| C．pays | D．costs |
Luckily, all the students got out of the teaching building _ it fell down.
| A．until | B．before |
| C．since | D．While |
—How are you going to the train station to meet your aunt?
—I'm going there ______ my car.
| A．by | B．in | C．to | D．On |
By _______ way, is _______ man in _______ red your brother?
| A．the, a, the | B．the, the, the |
| C．/, the, / | D．the, the, / |