A proper approach to ________ your learning efficiency is of great significance to every student.
| A．improving | B．improve | C．be improving | D．having improved |
Sandy could do nothing but _________ to his teacher that he was wrong.
| A．admit | B．admitted | C．admiting | D．to |
Keep up good state of mind even if you___________ fail plenty of times.
| A．must | B．will | C．can | D．should |
--The prison was ___________ fire last night.
--Someone must have set fire___________ it.
| A．on ; with | B．on ; to | C．over; with | D．should |
The __________ is just around the corner and you won't miss it.
| A．bicycle's shop | B．bicycle shop |
| C．bicycles shop | D．bicycles’ shop |
__________ she couldn't understand was__________ fewer and fewer students showed interest
in her lessons.
A. What; why B. That ; what C. What ; because D.