Among the many dangers_________-- sailors have to face, probably the greatest of all is fog.
| A．which | B．what | C．where | D．when |
Ann always stands at the window and waves to_____.
| A．see through | B．see to |
| C．see off | D．see into |
She _____ someone, so I nodded to her and went away.
| A．phoned | B．had phoned |
| C．was phoning | D．has phoned |
I do not think jogging _____ me very much
| A．stands for | B．appeals to |
| C．gives away | D．passes away |
— I hope to take the computer course.
— Good idea. _____ more about it, visit this website.
| A．To find out | B．Finding out |
| C．To be finding out | D．Having found out |
Unless extra money_____, the theatre will close.
| A．was found | B．finds |
| C．is found | D．found |