从每题所给的a、b、c、d四个选项中,选出可以填入空白处的最佳选项。 1. ---can we get the computer before wednesday? ---______. if it is within 30 kilometers, we can make it, but if further away, it will be on thursday. a. i don’t know for sure b. well, that all depends c. it’s up to you, sir d. there’s no rush 2. ---where do you want to go for further study after graduation, ______ european country or an asian country? --- neither. america is ______ one i want to go to. a. an; the b. a; 不填 c. an; 不填 d. a; the 3. so far all cloned animals have suffered from some different serious disorders, ______ dying soon after birth.