Directions: The questions here test your knowledge of the grammatical
structure of English. Each question consists of a short written conversation, part
of which has been omitted. Four words or phrases, labeled 1, 2, 3, and 4, are
given below the conversation. You are to choose the word or phrase that will
correctly complete the conversation. Click the answer button to see the correct
answer. If you need a hint, press the arrow button next to the hint.
Look at the example. ...