In Africa, children are ______ to work from an early age to support their families.
举一反三
- From a very early age, students learn to work hard and respect their teachers.
- Some of their work is ___________ providing support for patients and their families. A: concerning up B: concerned with
- The doctors tested on_____ to work out the polio vaccines and other effective treatment to save both the children and the families from the tremendous pains and sorrow.
- Some of their work is ___________ providing support for patients and their families. A: concerning up B: concern to C: concerned with
- The children from poor families were at a distinct disadvantage.