My parents are presently in Tunisia. They __ throughout North Africa since the middle of May. They'll return home in another month.

1-have traveled

2-are traveling

3-have been

4-travel

One way that the novel differs from earlier literary works is that novelists often leave out many details associated with the setting novels only portray positive aspects of heroes and other important figures characters' personalities in novels are only revealed through dialogue readers are often able to relate better to the characters in novels

This device blocks an opening along the base/floor of stairs or other walking or working surfaces where materials or body parts might otherwise inadvertently fall through. it should be 4 inches high, with not more than ¼ inch clearance above the floor

He united states can produce 200 pillows in one week, while spain and france produce 150 and 100 pillows, respectively, in one week. on the other hand, spain can produce 10 televisions in one week, while the united states and france produce only 5 and 4 televisions, respectively. has an absolute advantage in producing pillows, and has an absolute advantage in producing televisions.