The children     parents are away working in cities are looked after well.

10.     The children     parents are away working in cities are looked after well.

A. which       B. whose      C. that          D. who

The children are having a good time, ______ with sand, others with toys．

The children     parents are away working in cities are looked after well.

1. A.
   which
2. B.
   whose
3. C.
   that
4. D.
   who

The children are having a good time, ______ with sand, others with toys．

1. A.
   some of them playing
2. B.
   some of them are playing
3. C.
   some of them
4. D.
   who playing