His first baby was born soon after he got married, which seemed to have _____ his sense of responsibility.
| A．brought down | B．brought out | C．brought about | D．brought in |
I told you that you shouldn’t waste your time playing the computer games, ______?
| A．didn’t I | B．did I |
| C．should you | D．shouldn’t you |
--- ______ was it ______ they discovered the entrance to the underground palace?
--- Totally by chance.
| A．How; that | B．What; that | C．When; when | D．Where; that |
--- Some people believe that robots will take over the world one day.
--- What if that is the ______?
| A．thing | B．condition | C．case | D．end |
______, Jack couldn’t get the door open. He had to dial 110.
| A．As he might try | B．Try as he might |
| C．As might he try | D．Might as he try |
I think that he must be looking up the information in the library, ______?
| A．isn’t he | B．don’t I | C．do you | D．must he |