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When you are driving on this road, you have to limit your speed _____ 60 miles per hour.
| A．in | B．at | C．to | D．below |
He's unlucky,and he's always suffering____________ luck one after another.
| A．a sick | B．an ill | C．sick | D．ill |
If you ____________ stop smoking, you can only expect to have a bad cough.
| A．won’t | B．would not | C．do not | D．can not |
__________ , we'll come to see you again.
| A．If time will permit | B．Time permits |
| C．Time permitting | D．Time permited |
I think the doctor is able to cure of __________is called a suspect.
| A．all | B．what | C．whatever | D．anything |
Let us not waste____________ time we have left.
| A．the little | B．little | C．a little | D．a little more |