A. so far as B. so long as C. in case D. even if
单项选择题Tim will call me as soon as he （）my package.
A. receive B. will receive C. received D. receives
单项选择题Dr. Smith, together with his wife and daughters,（）visit Beijing this summer.
A. is going to B. are going to C. was going to D. were going to
单项选择题We don't know why so many people in that region like to wear dresses of such （）colors.
A. low B. humble C. mild D. dull
单项选择题平时我们所讲的举一反三、触类旁通、闻一知十等是典型的( )形式。
单项选择题—Why does the Lake smell terrible — Because （）large quantities of water.
A. have polluted B. is being polluted C. has been polluted D. have been polluted
