A study shows that students living in non-smoking dorms are less likely to    the habit of smoking.

A. make up         B. pick up     C. draw up       D. turn up

31．A  study  shows that students living in non—smoking dorms are less likely to——the habit of  smoking．

  A．make up    B．pick up    C．draw up   D．turn up

A study shows that students living in non-smoking dorms are less likely to __________ the habit of smoking.

A. make up              B. pick up             C. draw up                  D. turn up