We know that about seventy percent _____ the earth _____ covered by water.
| A．/; is | B．of; are |
| C．of; is | D．about; are |
— What’s that terrible noise?
— The neighbors ______ for a party. They moved here a week ago.
| A．prepared | B．prepare | C．will prepare | D．are preparing |
—This camera is very similar ________ that one.
—Yes. I have some trouble ________ their differences.
| A．as; telling | B．to; telling | C．to; to tell | D．with; to tell |
－Math is difficult for me. How I wish to improve it!
－Don’t lose your confidence. I believe you will ______ it if you keep trying.
| A．take | B．work | C．pick | D．make |
—Where is my bag? I can’t find it.
—Don’t worry. It must bein your room.
| A．somewhere | B．anywhere | C．everywhere | D．some where |
—What’s your speech , Dr. Smith?
—Tomorrow you will get it.
| A．by | B．of | C．from | D．on |