______ a phone is of great help, I don’t think it’s a good idea to spend too much time on it.
| A．If | B．While | C．Because | D．As |
I travel to the Binhai New Area by light railway every day, _____ do many businessmen who live in downtown Tianjin.
| A．as | B．which | C．when | D．though |
Over the past decades, sea ice _______ in the Arctic as a result of global warming.
| A．had decreased | B．decreased | C．has been decreasing | D．is decreasing |
I’m not surprised that he became a writer. Even as a child he had a _____ imagination.
| A．clear | B．cautious | C．funny | D．vivid |
The medicine works more effectively_____you drink some hot water after taking it.
| A．as | B．until | C．although | D．if |
It was a nice house, but _______ too small for a family of live.
| A．rarely | B．fairly | C．rather | D．pretty |