Chọn đáp án đúng nhất

   I.
1.  A. terrified        B. entertained          C. produced               D. engaged
2.  A. came           B. lake                      C. station                   D . star
3.  A. centre          B. let                         C. belt                        D. security
  II.
1. Usually Oanh ______________ (walk) to school, but this week she _____________ (ride) her bike.
2. My father ________________ (teach) me to ride a bike when I was seven.
3. Transport used ______________ (be) much slower three hundred years ago.