How was ______ they discoveredthe entrance to the underground palace—Totally by chance.

You can’t imagine the difficulty he _____onto the cliff and saving the boy in trouble.

To my great surprise, the story of the famous musician __________ differently on the Internet.

With an online course Lynn has over 300, 000 students all over China ____ her class through the Internet

Her valuable advice ________ to be taken, or you will suffer more loss.