How_________I help them to understand when they won’t listen to me?
A．can B．would C．may D．must
The film is very humorous but_________can be enjoyed unless you understand English culture.
A．everything B．something C. nothing D．anythingh
—Your composition is full of mistakes.
—I wish I _________more careful.
A．would have been B．had been C．would be D．were
．_________life began on the earth is one of the biggest puzzles to scientists.
A．How B．What C．Where D．That
．—Let’s throw a surprise party for mom’s 50th birthday.
—That’s a good idea. We_________several of her friends.
A．invite B．had invited C．are inviting D．will invite
The Day of the Dead, an ancient Mexican festival, is not a sad day, but____________time to celebrate cycle of life.
A．a, the B．不填, the C．不填,a D. the, a
