—Where are the children?The dinner's going to be completely ruined.—I wish they ________ always late.(2011·北京)
It was not until midnight _________ they reached the camp site.
— Did you meet with the famous space hero? — ___________ I had come here earlier.
The committee ______ five famous scientists put forward a valuable plan at the end of conference.
They suggested that the library ________ open during the vacation.
If I can help________, I don’t like to working late into the night.