The girl had hardly rung the bell the door was opened suddenly, and her friend rushed out to greet her.
| A．before | B．until | C．as | D．since |
It is difficult for children to change their eating habit later in life. _____，parents should encourage healthy eating from an early age.
| A．Otherwise | B．Therefore | C．Besides | D．However |
You have no chance of getting the position. I’m afraid you _____ your time if you apply for it.
| A．waste | B．have wasted | C．have been wasting | D．will be wasting |
With economy developing at great speed, our city has _____ quite a few changes in recent years.
| A．witnessed | B．accumulated | C．arisen | D．introduced |
Currently，many American women are still faced with the _____ of choosing between work and family commitments.
| A．desperation | B．confusion | C．dilemma | D．concern |
— Thanks for the lift. I do appreciate it.
— _____.
| A．No problem | B．With pleasure | C．Not necessary | D．A piece of cake |