If your parents couldn't __________ to send you to college, you may ask our national Hope Project for help.
At the foot of the mountain________.
I've tried very hard to improve my English.But by no means ________ with my progress.
Not until then ________ how important the brakes were.
________ to come over to have a talk with him in those days.
—My cousin is very clever but he doesn't work hard at his lessons. —________.