—— How about the number of students playing on the playground? —— _____.
An old man asked Tom which of a newspaper he would like to read.
There is a sign at the train station, reading “Don’t jump off a train when it’s .”
who had arrested him three times for drug-taking.
—Hi, Tracy, you look tired.—I am tired. I the living room all day.
The science of medicine, progress has been very rapid lately, is perhaps the most important of all the sciences.