I coutdn't have got to the meeting on time____________ an earlier train.
| A．if I had not caught | B．unless I had caught |
| C．if ! did not catch | D．unless I caught |
I think teachers should be strict _______ their students ______ studies.
| A．in; with | B．with; in | C．about; in | D．with; for |
The flat rent is expensive, I’ve got about half the space I had at home but I am paying ________ here.
| A．at twice much | B．as much twice | C．much as twice | D．twice as much |
—Do you have enough to _____all your daily expenses?
----Oh yes , enough and spare.
| A．cover | B．spend | C．fill | D．offer |
Go for it while you are young. You can’t avoid _______ your job tomorrow unless you work hard today.
| A．losing | B．to lose | C．to be losing | D．being lost |
Be sure to read the ________ on the bottle carefully and take the right amount of medicine.
| A．explanations | B．instructions | C．descriptions | D．introductions |