Officials believe that more than one person _____ for the big fire.
| A．is to be blamed | B．should blame |
| C．should be blaming | D．is to blame |
After watchingTV, she playedviolin for an hour.
| A．不填；不填 | B．the； the | C．the；不填 | D．不填； the |
—Be careful not to drop the Tang Dynasty vase .
—Yes , we can’t be .
| A．too careful | B．very careful | C．too careless | D．careless enough |
If you are not yet , you are forbidden to visit this site .
| A．eighteen years | B．at age of eighteen |
| C．eighteen – year-old | D．eighteen years of age |
The Sinai Peninsula , which was returned to Egypt in 1982 ,is .
| A．as three times large as Israel | B．three times large than Israel |
| C．three times Israel’s size | D．the size of Israel’s three times |
happened to be out that day , so you didn’t find me .
| A．It | B．This | C．You | D．I |