Bats are surprisingly long-lived creatures, some ____________ a life span of around 20 years.
| A．having | B．had |
| C．have | D．to have |
______ the kids have left home , we’ve got a lot of extra space.
| A．Even if | B．Now that |
| C．In case | D．As though |
________an advertisement says, remember that there is ________as a free lunch in the world
| A．Whatever, no such thing |
| B．What, not such thing |
| C．However, no such thing |
| D．how, not such thing |
She always comes to our help when we get into trouble____ she is very busy.
| A．ever since | B．once |
| C．even if | D．so that |
Prince William will be fiercely protective of his new son to make sure he has a chance of a “normal” family life, ________happens in Royal circles.
| A．however | B．whatever |
| C．wherever | D．whichever |
The young couple, who returned my lost wallet, left _______ I could ask for their names.
| A．while | B．before |
| C．after | D．since |