_ we left the building that I realized how dangerous the situation had been.
| A．Only then | B．It was only then | C．Only after | D．It was only after |
We are interested in the weather because it ___ us so directly what we wear, what we do , and even how we feel.
| A．benefits | B．guides | C．affects | D．effects |
If you buy the family-size box, it will ___ you $ 1.
| A．spend | B．save | C．leave | D．keep |
I looked under ___ bed and found ___ book I lost last week.
| A．the ; a | B．the ; the | C．/ ; the | D．the ; / |
It’s important to give the babysitter an emergency phone number ___ the children get hurt or sick.
| A．in case | B．unless | C．even if | D．so long as |
It was in the school ___ he studied ten years ago ____ he gave a wonderful speech.
| A．that; that | B．where; where | C．that ; where | D．where ; that |