2.Where will you__________when you arrive there?
A. visit
B. expect
C. inhabit
D. stay
查看答案
3.After the__________of the steam engine, people' life has greatly improved.
A. find
B. invention
C. discovery
D. production
4.He won't come. He has__________his mind.
A. taken
B. made
C. changed
D. altered
5.If you__________five to eight, you get thirteen.
A. give
B. put
C. improve
D. add
6.She studies for the best__________of the week.
A. part
B. portion
C. section
D. time