If you have lost a library book, you have to ___it.
| A．find out | B．look after | C．pay for | D．take care |
Some peoplefeel sick when they read a book in a car or on a boat．
| A．must | B．should |
| C．may | D．need |
US peoplelike to have a barbecue in a park，a lake or in their backyards．
| A．beside | B．below |
| C．in | D．over |
We should learn from ourso that we won't repeat them．
| A．experiences | B．experiments |
| C．mistakes | D．opportunities |
—How can I make full use of my time?
—Makea clear timetable first．
| A．you | B．your |
| C．yours | D．yourself |
—Tokyo will host2020 Sumner Olympics．
—Really? It will befirst Asian city to host the Olympics twice．
| A．a；a | B．the；the |
| C．the；a | D．a；the |