---I haven’t got the reference book yet, but I’ll have a test on the subject next month.
---Don’t worry. You ______ have it by Tuesday.
| A．could | B．shall | C．must | D．may |
Scarcely ________ ourselves in the theatre when the curtain ______ up.
| A．had we seated; went | B．we had seated; went |
| C．seated; had gone | D．did we seated; had gone |
The study of natural history is not something to be left to biologists. In fact, their capacity _____ the time they can spend away from their offices is very limited.
| A．in search of | B．in face of | C．in favour of | D．in terms of |
Nobody but doctors and those _______ by Dr Smith ______ to enter the patient’s room.
| A．invited; is allowed | B．invited; are allowed |
| C．being invited; is allowed | D．being invited; are allowed |
It is amazing that the little boy can swim ________the river ________100 meters in width.
| A．across; measuring | B．over; measured |
| C．across; measure | D．through; measuring |
According to the recent research, heavy coffee drinking and heart attack is not necessarily ______ and effect.
| A．reason | B．influence | C．fact | D．cause |