5.His aunt wanted to have him _______ the radio,but he had had it ________ already.( )
| A. | repair,repair | B. | to repair,repair | ||
| C. | repaired,to repair | D. | repair,repaired |
4.China supplies more than 90percent of the world's rare earth metals,but its reserves only ________ about one-third of the world's total.( )
| A. | take up | B. | make up | C. | build up | D. | set up |
3.______ I have a quick word with you?Something important has happened.( )
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| A. | Must | B. | Could | C. | Would | D. | Should |