—Where's that report?—I brought it to you ________ you were in Mr.Black's office yesterday.
________ its low price, the advantage of this car lies in its good quality.
The space station spins slowly in ________ space to imitate ________ pull of the earth’s gravity.
The old man was so angry and spoke so fast that none of his children understood ____ he said meant.
Listen to the two girls by the window. What language _____?
.Mary takes great ____ in learning pop music.