China ______ the WTO for more than 10 years, and it has brought great changes to it.

Whenever you have a chanceEnglish, you should take it.

Look at the photo. The girl is my little sister.—She really ______ your mother.

Good luck to you _____ your trip! —Thank you _____ your kind words.[ ]

Let’s look at pictures ______ Beijing Opera. [ ]