16.Next week when there_________ a full moon, the ocean tides will be higher. a. is being b. is c. will be d. will have been 17. “Why have you bought so much food?” “I __________ for ten people.” a. will cook b. am going to cook c. cooked d. have cooked 18. “Look out! That tree _________________” a. is going to fall b. will fall c. falls d. will be falling 19.A: “Why did you buy all this sugar and chocolate?” B: “I_____________ a delicious desert for dinner tonight” a. make b. will make c. am going to make d. will have make 20.A: “Could someone help me lift the lawnmower into the pickup truck?” B: “I’m not busy. I________________ you” a. help b. will help c. am going to help d. am helping