I find that looking after children is a fun and challenging job ___________ you need to be patient and careful．
| A．That | B．which |
| C．where | D．when |
—Is everyone here?
—Not yet. Look, there _______ the rest of our guests!
| A．come | B．comes |
| C．is coming | D．are coming |
_______ about the economic crisis that he decided to look for more information about it.
| A．So curious he was | B．So curious was he |
| C．Such curious he was | D．Such curious was he |
Not until the man was out of work again going to attend a training class.
| A．he considered | B．did he consider |
| C．does he consider | D．considers |
（2013）I to my cousin’s birthday party last night, but I was not available
| A．went | B．had gone |
| C．would go | D．would have gone |
－Any information about your son?
－No，if only I ______ those tough words to him．
| A．didn’t say | B．hadn’t said |
| C．shouldn’t have said | D．couldn’t have said |