_______, or you’ll fail the exam.A. Studying hard B. Study hard C. To study hard
Not only ________ their own ideas on the matter,but ________ theirs .
—Have you found your lost dictionary?—-No,I haven’t found_____,but I bought _______this morning.
Thanks to the fireman,the fire was _____at once.
Daily Mail of November 25th reported that American astronomers (天文学家)______aplanet that was most similar to the earth.
If it is quite _______to you, I will visit you next Monday.