It's raining outside. Put on more clothes, ________ you may catch a cold.

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It’s snowing outside！Put on more clothes, _____ you may catch a cold.

A．and                        B．but                         C．or                          D．though

1. Do you practice speak English in the morning?                  (   )       

  A        B    C         D

2. We had a two-weeks visit to Australia last month.                     (   )       

      A     B         C          D

3. I don’t think you’ll finish the work in half a hour.                     (   )       

A                  B       C     D

4. We find that necessary to protect the environment.                    (   )       

          A    B     C      D

5. If you don’t want to go there, I won’t too.                            (   )       

  A     B                   C   D  

6. All the students in our class are over 15 besides Li Lei. He’s the youngest.  (   )       

        A                B          C             D

7. A number of the students in our school is over 4000.                   (   )       

        A                     B    C  D

8. It’s cold outside. Put on more clothes, and you may catch a cold.          (   )       

           A     B    C         D

9. The boy standing out of the classroom was found smoke yesterday.        (   )       

            A       B                 C    D 

10. Tom hardly hurt himself in the accident, didn’t he?                    (   )       

             A    B   C               D