Japan attacked Pearl Harbor (珍珠港) of the united States December, 1941.
| A．in | B．on | C．at | D．of |
He threw away his cup and became even happier. Which of the following is correct for the underlined word in the sentence?
| A．/ θrəʊ / | B．/ θru: / |
| C．/ θri: / | D．/ θrɔ: / |
—__ _ do you study English?
—By making flashcards．
| A．Why | B．How | C．What | D．When |
Many trees and flowers ________ in our school last year，and they made our school a beautiful garden．
| A．plant | B．planted |
| C．have planted | D．were planted |
When I traveled in Thailand , I bought a ring . It __________ silver .
| A．was made in | B．was made by |
| C．was made of | D．was made from |