Nick and I _____ 12 years old, but Jack is 14 years old.
—Is everything clear to you all now, class? —Sorry, I didn’t catch the first sentence. Would you please ______?
—Did you watch the basketball match last night? —Yes. Jeremy Lin didn’t play ______ he did last week.
—You looked so tired this morning. How much_____ for the work? —Oh, I was just helping my friend.
A cat, ______ it is a white one ______ a black one, is considered to be a good cat as long as it can catch mice.
These wild flowers are so special, I would do __ whatever ____ I can to save them.