Young trees should ________ every day.

Young trees should be _________.

1. A.
   taken good care
2. B.
   take good care of
3. C.
   looking after well
4. D.
   well looked after

The young trees should ______well as often as possible.

A. be water        B. watered        C. watering    D. be watered

The young trees should______ as often as possible.

A．take care of                           B．be take care of

C．be taken care of                        D．be taken care

The young trees should ______well as often as possible.

A. be water              B. watered            C. watering    D. be watered