The two girls are so alike that strangers find ________ difficult to tell one from the other. (2011·山东,24)
_______, his mother died, _______ the family even worse off
_______ you talk to someone or write a message, you show your skills to others.
Doctors have said that as many as 50% of patients don’t take medicine ______.
Only when he returned _______ that the war had ended and the army had come back.
There are many wonderful theme parks in America, _ _ Disneyland in California is my favorite.