—Must I turn off the gas after cooking ? --Of course . You can never be ___ careful with that.
27.Albert Einstein, ____ life had once been very hard , was given the Nobel Prize for physics.
27. The ____kept by the doctor shows that the patient is gradually recovering. 28.
25. What he said ____ a big difference to the way of my thinking. ____, his words have a great effect on me. 26.
24. —How can we pass the time? There is half an hour before the concert begins. — _____! I will like whatever you want to do.
23. I recognized him ____ I saw him in the street one day after twenty years' parting. 24. A. in a moment B. the minute C for the minute D for the moment