( ) Which of the following sentences is the one you hear? A: Occasionally he would stimulate their thinking by asking open and it questions. B: Occasionally he would stimulate their thinking by asking open-ended questions. C: Occasionally he would stimulate their thinking by asking open end it questions. D:

Every time they went dancing, they ________ in a bad mood. A: ended B: ended with C: ended up D: ended by

While setting up an appointment on email, you should _______. A: Leave it open ended B: Never mention date and time C: Sometimes mention a date and leave it at that D: Recommend a date and time and request confirmation

Opinion question must be open-ended and allow the subject to give their own response.

Which is the starting and ending year of the 18th -Century English Literature? A: started in 1700 and ended in 1800. B: started in 1800 and ended in 1900. C: started in 1600 and ended in 1700. D: started in 1790 and ended in 1890.

The experiment in success. A: ended up B: ending C: ended D: end

They ended by making themselves ____.

Berlin Wall was ended in ( ).

The Anglo-Saxon period ended in ____.

问题应该是良构的的（well-structured）、开放的（open-ended）、真实的