Four and half hours of discussion took us up to midnight,and break for cheese,chocolate and tea with sugar.
A．a;a B．the; the C．不填；the D．a;不填
Only by increasing the number of doctors by 50 percent properly in this hospital.
A．can be the patients B．can the patients be treated
C．the patients can be treated D．treated can be the patients
A serious study of physics is impossible some knowledge of mathematics.
A．against B．before C．beyond D．without
It was only after he had read the papers Mr. Gross realized the task before him was extremely difficult to complete.
A．when B．that C．which D．What
It may not be a great suggestion. But before _______ is put forward, we’ll make do with it.
A．a good one B．a better one C．the best one D．a best one
The watch was very good, and he 20 percent down for it.
A．paid B．cost C．bought D．Spent
