I bought _______ English-Chinese dictionary. _______ dictionary is very useful.
| A．a; the | B．the; a | C．an; a | D．an; the |
To be a police officer is great. We know that police officers' work is kind of dangerous ______ exciting.
| A．and | B．or | C．but | D．so |
You will know how cool it is to achieve your dream ______ your own hard work.
| A．till | B．across | C．through | D．about |
The boy wanted to keep a pet rabbit and his mother decided to buy ______ for him.
| A．it | B．one | C．that | D．this |
Hello, everyone！ It's my great ______ to be here to make a speech. Thanks for your attention.
| A．lesson | B．change | C．honor | D．memory |
—Allen, please tell me what you are going to be when you grow up.
—To be______ engineer just like you.
| A．a | B．an | C．the | D．不填 |