3. These plants .................................. for animals' food.
A. can grow
B. can be grown
C. have grown
D. grow
4. Japanese people usually wear kimonos on special .........................
A. occasions
B. times
C. situations
D. places
5. He used to ...................................................... to school by his mother.
A. take
B. taking
C. taken
D. be taken
6. They wish they .............................. a new house now.
A. have
B. had
C. will have
D. would have