【简答题】Fill in the blanks with the expressions given below. Change the forms where necessary. 1) How do governments usually ___________ the problem of air pollution in large cities? 2) As an experiment, Tom ...
【单选题】What are the two speakers doing? A) They are registering in ahotel. B) One is sightseeing and the other is guiding the tour. C) They are spending their holidays together in Egypt. D) They are talking ...
A.
They are registering in ahotel.
B.
One is sightseeing and the other is guiding the tour.
C.
They are spending their holidays together in Egypt.
D.
They are talking about some wonderful sights in Cairo.
【简答题】Fill in the blanks with the expressions given below. Change the forms where necessary. heat up, act like, keep from, as much as , Light 1 a wave, but you cannot see the wave with you...