We should do what we have to do________ we can do what we want to do in the future.
| A．so that | B．in case |
| C．for fear that | D．now that |
—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 |
－I’ve never found a better job and I’m so glad.
－_______.
| A．I don’t think so | B．Too bad | C．Congratulations | D．Don’t worry |