Can you help me ______ my homework?

Tokyo will host2020 Sumner Olympics． —Really? It will befirst Asian city to host the Olympics twice．

.______ pressure the U.S. government put on the Chinese government, China would stick to its own policy of exchange rate.

The city of Nanchong has grown so fast that it’s at leastwhat it used to be.

Be __________, and you will do well in the English exam.