_______ the house on fire, he dialed 119.
| A．To see | B．Seeing | C．Having seen | D．Being seen |
Although some unexpected difficulties have ________ in the process, we are confident that we can handle them.
| A．risen | B．raised | C．arisen | D．aroused |
Put a tie on—it'll make you look more ______.
| A．respected | B．respective | C．respectable | D．respectful |
The women carrying babies , come in first ,?
| A．will you | B．will they | C．do you | D．don’t you |
_________, he is still as modest as before, which always moves all the people who know him.
| A．As he is a scientist | B．A scientist as he is |
| C．Scientist as he is | D．As is he a scientist |
_______ you don’t have much experience in this field, why don’t you ask Professor Wang for advice?
| A．Unless | B．In case | C．Even if | D．Now that |