Jill had unusual experience in the USA last month and it’s useful experience, too.
| A．a, an | B．an, a |
| C．a, a | D．an, an |
He will work in this school _______.
| A．in two years | B．after two years | C．since two years | D．during two years |
The number of the red-crowned cranes will become ____ if we don’t take any action.
| A．fewer and fewer | B．less and less | C．smaller and smaller | D．larger and larger |
---You were out when I went to your house this morning.
---Oh, I _______ for a friend from England at the airport.
| A．was waiting | B．waited | C．am waiting | D．have waited |
He is getting ______ to hear the ____ words.
| A．boring; boring | B．bored; boring | C．boring; bored | D．bored; bored |
If you _____ at noon, you ____ the feeding of animals.
| A．arrive at there; will see | B．will arrive there; will see |
| C．arrive there; will see | D．arrive in there; see |