--How was your weekend, Rose?
--Awful! This was the first time I ________ alone at home, bored to death.
| A．had left | B．had been left | C．have been left | D．have been leaving |
—He failed again.
—The of too much time to computer games leaves too little time for studying.
| A．use | B．cost | C．devotion | D．expense |
Following the successful Beijing Olympic shanghai 70 million people for the 2010 World Expo.
| A．expects | B．is expected | C．is expecting | D．has expected |
of danger in the street at night, she had to go home, with a friend her.
| A．Warned; accompanied | B．Having warned; accompanying |
| C．Warning; accompanying | D．Having been warned; accompanying |
—Jack, can you make a sentence to ________ the meaning of the new phrase?
—Well…
| A．show off | B．bring out | C．turn out | D．take in |
—Shall I lock the lab now before I go home ?
—__________ . I’ll check it myself later.
| A．Don’t bother | B．No problem | C．No hurry | D．Go ahead |