________is dangerous for us to swim in the river alone.
A. It B. That C. This
His speech was so ___________ that it makes me feel __________.
| A．bored; asleep | B．boring; asleep | C．boring; sleepy | D．bored; sleeping |
I’m ________ to reach the top of the tree.
| A．short enough | B．enough short | C．tall enough | D．enough tall |
There are so many kinds of Mp4 in the shop. We can’t decide .
| A．what to buy | B．to buy what | C．which to buy | D．to buy which |
--- Do you know when hetomorrow?
--- Don’t worry. I think as soon as he, he will give you a call.
| A．will come; will come | B．will come; comes |
| C．comes; will come | D．comes; comes |
--- Jim tookone-hour ride just now. What a short time he spent finishing such a long way!
--- He is _____experienced rider.
| A．an; the | B．an; a | C．a ;an | D．a; the |