If you___bright sunlight___dry wood with a magnifying glass,it will start burning
| A．expose;to |
| B．concentrate;on |
| C．aim;at |
| D．focus;on |
28 it was__________back home from work.
| A．not until midnight did he go | B．until midnight that he didn’t go |
| C．not until midnight that he went | D．until midnight when he didn’t go |
27. It was with great joy___________he found his lost daughter.
A. becauseB. thatC. whichD since
26. _______we cannot get seems better than_____________we have.
| A．What, what | B．What , that. | C．That, what | D．That, that |
25. Jack is not feeling well this morning because he had breakfast.
| A．too much, much too | B．much too, too much |
| C．much too, too much | D．too much, too much |
24. you’ d better I think _________him a hand when necessary .
| A．give | B．to give | C．gave | D．Given |