Mr. John was always _______ the poor and the sick, often providing them with free medical care.
Please _______ when the train leaves. A. look b. find out C. find D. look for
Our English teacher has __________ son.
Not only his parents but also his sister ________ the museum. A. are going to B. is going to c. are going D. is going
This book is worth _____.
We should do ___ the teacher told us.