Has your sick pet dog been cured yet— Not yet. It’s still under ________.

Mr. Yuan is______ about making predictions about the success of the farming program because it is so important.

In the dark forests ________，some large enough to hold several English towns.

The _____ boy was last seen _____ near the East Lake. [ ]

bway was crowded with passengers going home frommarket, most of _____ carrying heavy bags and baskets full of fruit andvegetables they had bought there.