David, get up early, _______ you'll not catch the early bus.
You will lose the game _________ you try your best.A. when B. if C. unless
—What a careful boy you are!—Thank you. In fact, Tom does everything ________ than me.A. more carefully B. more careful C. much careless
We know ________ about Lucy, because she is new here.A. everything B. something C. nothing
—This skirt is too . Would you show me another one?—OK. Please try on this one. It’s cheaper. A. wide B. long C. expensive
The sign means “ _____.”A. No parking B. No U-turn C. No left turn