21. A: Lien is in the hospital.
B: Yes, I know. I _______ visit her tomorrow.
A. am visiting
B. am going to visit
C. visit
D. to visit
22. Look at the _______ Practice at page 98.
A. Far
B. Farther
C. Further
D. Furthest
23. Mr. Hung is a driver. He and the farmer are loading his _______ with vegetables.
A. taxi
B. car
C. motorbike
D. truck
24. This sign says “No smoking”. You _______ smoke.
A. can’t
B. must
C. can
D. mustn’t
25. My brother wants a good pair of shoes because he goes _______ every morning.
A. jogging
B. running
C. swimming
D. sailing