38. —Your daughter looks so thin.—Yes, she is so _____ about what she eats.
He made another wonderful discovery, _____ of great importance to science.
One of the best ways for people to keep fit is to______ healthy eating habits.
查语音辨析series
feast
insurance
exist
oxygen
Our teacher looked here and there on our playground _______ looking for something.
Progress so far has been very good._________ , we are sure that the project will be completed on time.