Hello, I to ask if I can book two tickets for tonight’s film— Sorry, we’ve already sold out

It was not until I came here _____I realized this place was famous for not only its beauty but also its weather.

This question is ______ easy, all the students can answer the question

The young couple was worried,because neither of them was aware ______ they had lost the necklace.

The job is really too hard for us. — It’s certainly a difficult job, _________it’s necessary to make a careful plan before we start.