31£®— What's ______population of China£¿

— It has ______population of 1.4 billion.

A£®a£»a                                   B£®a£»the                                    C£®the£»a

32£®On February 25£¬President Xi Jinping announced that China has made a "complete ________"  in its fight against poverty.

A£®victory                  B£®progress                     C£®difference

33£®—Dad£¬could you please teach ___________ English£¿

—Sure! But it's more important to learn it by __________.

A£®my£»yourself            B£®my£»you                       C£®me£»yourself

34£®—China is a great country with a history of about five ________ years.

— Yes. And ___________ of foreigners come to visit it every year.

A£®thousand£»thousand       B£®thousands£»thousands           C£®thousand£»thousands

35£®— Must I study medicine and be a doctor like you£¬Dad£¿

— No£¬you ______________£¬son. You're free to make your own decision.

A£®needn't                                B£®mustn't                                   C£®can't