Câu 25: Most of them got carsick because they went ________coach.
A. on B. in C. by D. with
Câu 26: Walking home alone is not a good idea. You __________________________
A. can't walk home alone.
B. mustn't walk home alone.
C. don't have to walk home alone.
D. shouldn't walk home alone.
Câu 27: If energy ___________inexpensive and unlimited, many things in the world would be different.
A. had been B. were C. is D. would be
Câu 28: This park is the orphanage where lots of orphaned and abandoned animals are taken care of.
A. dealt with B. moved in C. looked after D. involved in
Câu 29: Nairobi National Park is Kenya's smallest park, but you may be surprised ________ the large variety of animals that live there.
A. at B. in C. on D. with