Most of the students felt rather disappointed at the English party. They say that it ______ better organized.
| A．had been | B．had to be | C．must have been | D．could have been |
Only By increasing the numBer of doctors By 50 percentproperly 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 impossiblesome knowledge of mathematics.
| A．against | B．before | C．beyond | D．without |
It was only after he had read the papersMr. Gross realized the task Before him was extremely difficult to complete.
| A．when | B．that | C．which | D．What |
The watch was very good, and he20 percent down for it.
| A． | paid | B． | cost | C． | bought | D． | spent |
We very early so we packed the night Before.
| A．leave | B．had left | C．were leaving | D．have left |