London is a most beautiful city, ________ the River Thames.
| A．located in | B．lied on | C．situated on | D．stood in |
We worried about ______ he was in good health.
| A．whether | B．if | C．that | D．what |
I ______ the novel by the time you ______ back next week.
| A．have finished, will come |
| B．shall have finished, come |
| C．shall be finished, are going to come |
| D．finish, come |
The number of the audience, ______ we had expected, was a thousand.
| A．whom | B．who | C．as | D．that |
Having been born on the earth, we had no choice but ________ hospitality it offered.
| A．to accept that | B．accept how | C．to accept what | D．accept what |
The enemy troop could hardly make any advance, and ________ could they fall back.
| A．neither | B．so | C．either | D．both |