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( ) 1. --- Is Doctor Green ________ ORBIS doctor? --- No, he is ________ UNICEF volunteer. But he sometimes works with ORBIS. A. a; an B. an; a C. an; an D. a; a ( ) 2. ---Look at the photo. Is it an Apple Watch? ---Yes. It is an amazing watch, but it’s so expensive that I can’t ________ to buy it. A. avoid B. allow C. afford D. achieve ( ) 3. ---You’d better not ________. You should show good manners. --- OK.I will queue for my turn ________. A. push in; polite B. carry on; politely C. push in; politely D. hand in; polite ( ) 4. ---The ________ you wrote about the film is wonderful. ---Thanks. A. renew B. review C. recycle D. reuse ( )5. I think our spacecraft(宇宙飞船) is ________slow _______carry large numbers of people to Mars at present. A. so, that B. such, that C. too, to D. enough, to ( )6. —Dear students, please read every sentence carefully. — _________you are, ______mistakes you’ll make. A. The more carefully; the fewer B. The more careful; the less C. The more carefully; the less D. The more careful; the fewer ( )7.We didn’t learn __________in this lesson. A. something new B. new something C. anything new D. new anything | 
