If it ____for the snow, we____ the mountain yesterday.
| A．were not, could have climbed | B．were not, could climb |
| C．had not been, could have climbed | D．hadn’t been, could climb |
Flight 19 from New York to Washington is now arriving at ____.
| A．Gate 2 | B．the two gate | C．the gate two | D．second gate |
If no one ___ the phone at home, ring me at work.
| A．returns | B．replies | C．answers | D．receives |
It was difficult to guess what her _____ to the news would be.
| A．impression | B．comment | C．reaction | D．opinion |
_____ the English examination I would have gone to the concert last Sunday.
| A．In spite of | B．But for | C．Because of | D．As for |
Your help is _____ for the success of the project.
| A．indispensable | B．indicative |
| C．inevitable | D．inherent |