Don"t download anything unless you make sure ______.A. where it is fromB. where
题型：北京市期末题难度：来源：
| Don"t download anything unless you make sure ______. |
A. where it is from
B. where it would be from
C. where is it from
D. where had it been from |
答案
举一反三
| The food mother cooked _______ very delicious. |
| [ ] |
A. is tasted
B. tastes
C. is being tasted
D. was tasted |
| I"m sure Tom will give the bike to you as soon as he _______ back. |
| [ ] |
A. would be
B. is
C. will be
D. was |
| I don"t know whether he will help me if he ______ free. |
A. will be
B. would be
C. is
D. was |
| If Tom ______ tomorrow, I"ll tell him the good news. |
A. come
B. comes
C. will come
D. has come |
| Could you tell me ______? |
A. where is the nearest hospital
B. where was the nearest hospital
C. where the nearest hospital is
D. where the nearest hospital was |
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