with his business, Mr.Green seldom had a talk with his family face to face.
27.---Your composition is full of mistakes. ---I wish I_________more careful.
26.______life began on the earth is one of the biggest puzzles to scientists.
25.---Let’s throw a surprise party for mom’s 50th birthday. ---That’s a good idea. We________several of her friends.
24.________fit, we ought to learn more about our body and be careful with what we eat.
23.Mike must be angry with me, for he walked________me without even saying hello.