VI. Complete the sentences(10) 61.I was worried about whether I would ____ _____ ____ ______.(失业) 62. Would you please _____ _____ ____my flat for a visit? (来) 63. Our environment is getting worse. ________ ____ _____(因此) many endangered species are now dying out. 64. Such knowledge is still useful _____ _____ _____ ( apply )similar situations in other countries. 65. Long before humans _______ ______ ______(形成), there existed a varity of animals and plants. |