Mary _________ as a volunteer teacher for 10 years.
A. works B. will work C. worked D. has worked
— Is Mike at home?
— No. He ________ with his friends now.
A. swims B. is swimming C. swam D. will swim
I will tell you the good news as soon as you _______ back.
A. come B. came C. are coming D. will come
My grandma ______ dinner when I got home yesterday.
A. cooks B. will cook C. is cooking D. was cooking
David enjoys _________ basketball on the playground after school every day.
A. play B. played C. playing D. to play
— Must we get to the theater at 7:00?
— No, you _______. The movie begins at 8:00.
A. can’t B. must’t C. needn’t D. shouldn’t
