______ the economic crisis getting more and more serious, the government is searching for ways to improve people’s life.
Take your umbrella with you and it can _____ in the rain.
-Why is Tom so worried?-Because he doesn't know _his shop.
By the time he was 12 years old, he_______ threedifferent languages.
Tom studied very hard, and he wanted _______ to his chance to Learn.
-What is the policewoman doing?-She raises her arm as a(n) _______ for us to stop.