To understand the grammar of the sentence, you must break it into parts.
A. down B. up C. off D. out
We went to Canada to travel and my cousin ______ as our guide.
A. played B. showed C. acted D. performed
If you think that treating a woman well means always her permission for things, think again.
A. gets B. got C. to get, D. getting
Someone who lacks staying power and perseverance is unlikely to ___ a good researcher.
A. make B. turn C. get D. grow
Don’t respond to any e-mails ______ personal information, no matter how official they look.
A. searching B. asking C. requesting D. questioning
Don’t take too much of the medicine; it does you more harm than good if you .
A. do B. take C. like D. have