( )______Saturday morning, Mr. Black walked to the park.
A. In B. At C. On
( ) My mother is ________ eggs in the kitchen.
A.cookB. cookingC. cooked
选择出不同类的单词，把序号写在题前括号内。
（）（1） A. morning B. breakfast C. afternoon
（）（2） A. table B. egg C. juice
（）（3） A. milkB. juiceC. fruit
（）（4） A. kitchen B. studyC. fridge
（）（5） A. breakfast B. time C. lunch
( ) Li Ming’s plane will arrive _______ five o’clock.
A. inB. on C. at
( ) --______ is it now?
-- It’s 4:45.
A. What timeB. How C. What
( )He wants ______ to school in Canada.
A. to goB. go C. going