She was so _____ in her job that she didn’t hear anybody knocking at the door.
| A．devoted | B．attracted | C．drawn | D．absorbed |
She looked up and nodded for me ______..
| A．to come in | B．coming in | C．came in | D．come in |
Catherine bought a postcard of the place she was visiting, addressed _______ to _______ and then posted it at the nearby post office.
| A．it; her | B．it; herself | C．herself; her | D．herself; herself |
. I love hobbies ______ you can see hard work and perseverance turn into positive results.
| A．which | B．that | C．when | D．where |
So far no life has been found outside the earth, but while some scientists are actively searching for living things in outer space, others firmly believe there ____ .
| A．mustn’t be | B．may not be | C．can’t be | D．won’t be |
I have never seen the word ______ that way before.
| A．to use | B．used | C．using | D．to be used |