________ he told the truth this time, nobody was willing to believe him because he often told lies.
| A．When | B．Because | C．Although | D．Unless |
Why not _______a taxi to go home?
| A．taking | B．take | C．does take | D．to take |
We are tired. Let’s________.
| A．relax | B．relaxing | C．to relax | D．to relaxing |
There is______elephant in the zoo._______elephant is from Africa.
| A．a; An | B．an; / | C．an; An | D．an; The |
My work is interesting, but _____ dangerous.
| A．a kind of | B．a kind | C．kinds of | D．kind of |
____________ our football team failed in the match, we did our best.
| A．Though | B．But | C．Because | D．As |