I also felt guilty, as all fathers do at a time like this, wondering whether there was anything I ______ to have prevented this situation from rising.
| A．would do | B．could do |
| C．can do | D．could have done |
Some people like living abroad, while others think there is ______ like home.
| A．something | B．anything | C．nothing | D．everything |
He was ______ about his ______ son, who is always skipping classes.
| A．worried, worried | B．worrying, worried | C．worried, worrying | D．worrying, worrying |
Julie was good at German, French and Russian, all of ______ she spoke fluently.
| A．them | B．whom | C．which | D．that |
We narrowly escaped _____in the forest of South America 15 years ago.
| A．killing | B．to be killed | C．to have been killed | D．being killed |
Mr. Smith spoke slowly and clearly to _____ all of us students could follow him.
| A．test | B．be sure | C．examine | D．make sure |