——How do you find the cake?
——This cake is very sweet. You ______ a lot of sugar in it.
| A．should put | B．could have put | C．might put | D．must have put |
During the ten-day vacation, they traveled to France their own expense
| A．on | B．with | C．at | D．in |
Towards ___________ morning, _________ heavy snow began to fall.
| A．the... a | B．an... a | C．a...不填 | D．不填...the |
Moreover, __________you may hardly believe, the examiners had decided in advance to fail half the students taking part in the exams.
| A．which | B．that | C．who | D．whom |
Sandy could do nothing but _________ to his teacher that he was wrong.
| A．admit | B．admitted | C．admitting | D．to |
--The prison was ___________ fire last night.
--Someone must have set fire___________ it.
| A．on; with | B．on; to | C．over; with | D．should |