—According to the weather report, there is likely to be heavy rain tomorrow.
—_______, we’ll have to change the plan for the outgoing.
| A．If so | B．If not | C．Unless so | D．Unless not |
一Tell us, Mark ,what is the ____ of the American Civil War?
一 Well, is it because the black slaves wanted freedom?
| A．effect | B．cause | C．result | D．reason |
So much of interest ______that most visitors simply run out of time before seeing it all.
| A．offers Beijing | B．Beijing offers | C．does Beijing offer | D．Beijing does offer |
My sister, an inexperienced rider, was found sitting on the bicycle ______to balance it.
| A．having tried | B．trying | C．to try | D．tried |
In my view, London’s not as expensive in price as Tokyo but Tokyo is ______in traffic.
| A．the most organized | B．more organized | C．so organized as | D．as organized as |
It is one of th
e funniest things ______ on the Internet so far this year.
| A．finding | B．being found | C．to find | D．found |