We can have__bluer sky if we create__less polluted world.A.a;a B.a;the C.the;a D.the;the是选D么?为什么

We can have__bluer sky if we create__less polluted world.A.a;a B.a;the C.the;a D.the;the是选D么?为什么 Now let's see what we can We can swim in s填空. can we find our way when it ' s cloudy''' We can see a c____ on the teacher's desk we can't see the s--------- in the day. we can not see her.she is not in (s ) It's late.We can't play any------（long） We can see the teacher's desk_______the classroom Now let's see what we can do . We can't _____(please)everyone's taste what can we call our wif's sister的意思 Good!We can use().Look!What's()over there? We can't leave today's work to (t ). We can bay things from a s后面添什么 What can we learn from Marilyn Monroe's IT‘S heart troubie.we can't go on forever We can see two (s )stories in this street