--Are you a teacher?
--No, but I ________.
A.used to | B.was used to | C.used to be | D.used to do |
We can never expect bluer sky unless we create less polluted world.
A.The; the | B./; the |
C.A; the | D.a; a |
—rapid progress they have made!
— Right. And it is true the students from other developing countries.
A.What a; with | B.How a; for |
C.How; of | D.What; of |
The plane is flying ____ a speed of 500 kilometers an hour ____ the way to Kunming.
A.with; on | B.at; on |
C.at; in | D.with; in |
You can’t learn to play the piano without practising.____, you can’t learn a language well without using it.
A.Likely | B.Hopefully |
C.Similarly | D.Personally |
We’ll ____ three groups to carry out the experiment in chemistry.
A.be separated from | B.be divided into |
C.be divided from | D.be separated off |