The book on how to learn foreign language is _____ reading ,so my teacher advised me to ____ it from the school library.
Every few years, the coal workerstheir lungs X-rayed to ensure their health.
The plan _________ just because people were unwilling to cooperate (合作).
Jack, I’m afraid I’ll turn to you.I think chemistry is _______ physics.
Not until then did I find it _____ to do the job that way.
Most of the professors _____ to our school were from South Africa.