__________of danger in the street at night, she had to go home, with a friend_________ her.
| A．Warned, followed | B．Warning, following |
| C．Having warned, following | D．Having been warned, following |
. John hadn’t been able to quit smoking at once; he had to control his smoking desire.
| A．more or less | B．by and by | C．little by little | D．now and then |
----I wonder how much for your services.
----The first two are freethe third one costs $30.
| A．while | B．until | C．when | D．before |
They love their daughter so much that they are always ready to do everything they
can her happiness.
| A．make sure of | B．be sure of | C．to be sure to | D．to make sure of |
At the meeting place of the Yangtze River and the Jialing River, one of the ten largest cities in China.
| A．lies Chongqing | B．Chongqing lies |
| C．does lie Chongqing | D．does Chongqing lie |
It was not I but you whothe first to run to the goal in that competition.
| A．is | B．was | C．are | D．were |