Among all the means of transportation, trains are __________, cheap and the best for long-distance journeys.
| A．straight | B．boring |
| C．reliable | D．ordinary |
Stand up _______ you fell down, and I’m sure you’ll succeed in time.
| A．until | B．where | C．before | D．which |
Scientists across the world agree that this is an invention of _______ great significance, _______ invention that will greatly change human life.
| A．a; the | B．a; an | C．/ ; the | D．/ ; an |
--- Tom, would you do me a favor? I’m in a mess.
--- _______. I’m just answering a call.
| A．Of course | B．Not at all | C．With pleasure | D．Wait a minute, please |
Why were you driving so fast? Yousomebody.
| A．might hurt | B．might have hurt | C．would hurt | D．must have hurt |
His album won several awards at the music festival, _______ was beyond his wildest dream.
| A．which | B．that | C．where | D．it |