It’s snowing heavily, so there is a lot of snow all ______ the ground.
—It will snow hard tomorrow and I will give you a ride to school.—What a great ______ !
Some people are afraid that ______ air pollution may cause changes in weather around the world.
---- Hi , do you know if Tom ________ to my party next week ?----- I think he will come if he ________ free.
.Do you have difficulty _______ ready for the exam ?No , I have made a decision _________ over lessons this weekend.
Blue looks good _________ you, it means you look nice _________ blue.