—When did you come back last night?
—It was not until 11 o'clock ________ the party ended.
| A．that | B．when |
| C．where | D．how |
Knowing the meaning of a word is one thing; yet using it both grammatically and communicatively properly is quite ______.
| A．much | B．another | C．little | D．many |
Companies are struggling to find the right ________ between supply and demand, but it is no easy task.
| A．balance | B．process | C．equality | D．pattern |
After staying in hospital for long, the patient was advised to go to the sea
side to____ his health.
| A．take up | B．hold up | C．make up | D．pick up |
______, I think, the problems can be settled in no time.
| A．A bit more efforts | B．Keep up your spirits |
| C．If you double your efforts | D．Making greater efforts |
Play, often seen as____activity for kids, is still important in_________development of teenagers.
| A．the; the | B． an; the |
C．an; 不填 | D．the; 不填 |