The bike is the first present I got from my father.
| A．that | B．which | C．it | D．what |
The rivers will become dirtier and dirtier ______ we take action to protect them.
| A．since | B．if | C．until | D．unless |
-- Have you finished reading your book yet?
--- No, I’ll finish it in _____ ten minutes.
| A．else | B．more | C．another | D．other |
Not only Linda but also I _______ out of breath at the end of the race.
| A．am | B．was | C．are | D．were |
_______ no one agreed with him, ______ he insisted on learning play the piano.
| A．Though; but | B．Though; and |
| C．Though; / | D．But; though |
There _____ lots of bad information which is not ____ for teenagers on the Internet.
| A．are; suitable | B．has; fit |
| C．have; fit | D．is; suitable |