In the last few years, China ___ great achievements in environmental protection.

Being angry is OK, but knowing how to tell someone ________ made you angry is important

_______ nice weather it is today! The boysare playing _______ outside in the open air.

Miss Yang doesn’t look well. What’s wrong with her?— Oh, she has some trouble______ her baby well.

MrsSmith,please teach me how to draw on the computer today—Oh,no ____You have to get familiar with the keyboard first