If he had not joined the army, he ________ alive now.
Studying alone, you are free to choose what to learn and when, ____ you don’t need others’ agreement.
—Why did you drop the chance of earning big money? —____. You know, I don’t want to get rich by taking risks.
Some experts are warning that the step the US government has taken to deal with the current crisis is ____of much risk.
After the adjustment of financial policies, many netizens put up posts, 90 percent ____carried the message of approval.
We do not know how astronauts can ____ when they spend months in space without the protection of the atmosphere.