At times the balance in nature is ______ , resulting in a number of possibly unforeseen effects.
| A．troubled | B．confused | C．disturbed | D．puzzled |
---Would you please help me carry the suitcase?
---____________.
| A．My pleasure | B．With pleasure | C．Go ahead | D．By no means |
---How aboutNew Year evening party?
---I should say it wasbig success.
| A．a; a | B．the; a | C．a; 不填 | D．the; 不填 |
—We are planning to have a casual get-together this Saturday or Sunday. Are you coming?
—______. I’ve got rather a busy day this weekend.
| A．I hope so | B．Sounds great | C．You’d better not | D．I’m afraid not |
Tell me ________ how it came about that you were 20 minutes late for class. You needn’t go into details.
| A．in advance | B．in vain | C．in total | D．in brief |
In English, if new words continue to be used for at least five years they generally ________ the Oxford English Dictionary.
| A．come up with | B．end up in | C．look up to | D．make up for |