So far all cloned animals have suffered from some different serious disorders, ______ dying soon after birth.
We’d better stay here a little longerhe turns up unexpectedly.
---I’m sorry, but there is no smoking on this flight. ---Oh, I _____that. Sorry, I won’t again. A. don’t know B didn’t know C. won’t know D. haven’t known
It was in the garden of the old house _____ he bought last year ______he dug up a pot of gold.
—What is your plan for the holiday, Paul? —I’ll go on a trip to Jiangxi Province with my family. —______!
______ never to come back before he could make a big fortune(发财),Mike left home without saying a word.