A team of nurses ________ the doctor in performing the operation on the boy wounded in the earthquake.
A. supported B. encouraged C. assisted D. respected
--What on earth are the police busy with?
---They have been looking into how the plane crash _______.
A. came out B. came up C. came down D. came about
Each country, of course, in _______ Copenhagen has its own particular priorities and concerns, which is why ________ agreement is so difficult to reach.
A. the; an B. /; an C. a; the D. /; the
I’m sorry to tell you that we will not tell you the results of the survey until we have looked through all the _______.
A. directions B. instructions C. data D. standards
The ground is wet all over, so I’m sure it must have rained last night, ________?
A. wasn’t it B. didn’t it C. isn’t it D. doesn’t it
________ is know to us all is that the old worker, for _______ life was hard in the past, still works hard in his seventies.
A. As; whom B. What; whose C. It; whose D. What; whom
