______ the interview in Boston lasted so long, I missed my flight to New York.
| A．Due to | B．So long as |
| C．As | D．Though |
Shall we stay at school or ______to the park?
| A．to go | B．go | C．going | D．went |
Her daughter was admitted into college______ we had hoped.
| A．which | B．that | C．as | D．like |
_____his father had come, his face lit up.
| A．Having learned | B．When he learned | C．Heating | D．When learning |
______, they would certainly come and help us.
| A．Had they time | B．Do they have time | C．Had they have time | D．Did they had time |
-How long ______ each other before they ______ married?
--For about a year.
| A．have they known; get | B．have they known; were going to get |
| C．do they know; are going to get | D．had they known; got |