（ ）1.[11·枣庄中考]In the past the children were made ________ 15 hours a day.
A. to lock B. work
C. to work D. lock
（ ）2. ［11·郴州中考］________ is dangerous for us to swim in the river alone.
A. It B. That C. This
（ ）3. [10·内江中考]—Can you tell me the English meaning of the word?
—Why don’t you ________ in the dictionary?
A. look it up B. ring it up C. pick it up
（ ）4. [10·定西中考]—Hello，may I speak to Mary，please?
—________.
A. No, hold on B. I’m Mary
C. This is Mary speaking D. Wait for
