121. The problem was that Einstein's family did not have enough money to pay for his further .
| A．school | B．studying | C．education | D．Schooling |
Could you drive me to the supermarket after supper if _________________?
| A．it is convenient of you | B．you are convenient |
| C．it is convenient to you | D．you will be convenient |
— I heard that one of the middle school students died from overwork.
— Yes, ______ news came as ______ great shock.
| A．the; / | B．the; a | C．/; a | D．/; / |
smoke
| A．pardon | B．lesson | C．alone | D．button |
smooth
| A．worth | B．wealthy | C．southern | D．south |
explanation
| A．example | B．exit | C．explain | D．exam |