Higher temperature turning large ice sheet to water would cause _____ rise in sea levels worldwide and change _____ weather on earth.
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Zhao Benshan, whose overwork ______ his health failure, didn’t perform in the 2012 Spring Festival Gala on CCTV.
| A．submitted to | B．admitted to | C．contributed to | D．subscribed to |
______ for the fact that his father is general manager of the company, he would never get the job.
| A．Had it not been | B．Were it not | C．Had not it been | D．Were not it |
Be careful not to drop it; it's very ______.
| A．fragrant | B．fragile | C．allergic | D．aggressive |
Last night Mr. Crook didn’t come back at the usual time.______，he met some friends and stayed out until midnight.
| A．Meanwhile | B．However | C．Instead | D．Thus |
－Any information about your son?
－No，if only I______ those tough words to him．
| A．didn’t say | B．hadn’t said | C．shouldn’t have said | D．couldn’t have said |