12. ____ the police know the killer's identity, they are getting close to catching him.
| A．Even if | B．Although | C．Now that | D．As long as |
Maria has to baby-sit．That’s＿＿＿ she can’t come out with us．
| A．why | B．how | C．when | D．what |
Paris is ＿＿＿ most beautiful city，where you can see＿＿＿ famous Eiffel Tower．
| A．a；the | B．a; 不填 | C．the；a | D．不填；the |
– I see something lying in the corner, moving
--- Let me see ________.
| A．what is the matter | B．what the matter is |
| C．what matter | D．matter is what |
_______they say, just take your own way.
| A．No matter | B．What |
| C．However | D．No matter what |
– Do you know you ______to be here by 7:30 ?
--- Yes, I do.
| A．are supposed | B．suppose |
| C．are supposing | D．supposed |