Your performance in the exam did not reach the required standard; __________, you failed.
This is a junior school.You should go to a senior school _____girls of your age.
I saw a woman running toward me in the dark.Before I could recognize who she was,she had run back in the direction______ she had come.
-Can he take charge of the computer company? -I’m afraid it’s______ his ability.
—It’s a top secret. —Yes, I see. I will keep the secret _____ you and me.
People have always been curious ______ how living things on the earth exactly began.