Here is a survey（调查） about how the 1，000 students from No．2 Middle School go to school on weekdays．One third of the students going to school by bike are girls．Then according to the form below，_____boys go to school in the same way．（ ）
By bus |
By bike |
By car |
On foot |
40% |
|
36% |
9% |
| A． |
150 |
B． |
100 |
C． |
50 |
The girl in the classroom ______ be Sarah．She has gone to the library．（ ）
A．mayB．mustC．can'tD．needn't
We have worked so long．Shall we stop ______ a rest？（ ）
A．haveB．to havingC．havingD．to have
Rules are helpful to us，______ we have to follow them．（ ）
A．soB．butC．orD．because
Tim is going to give his father a surprise ______ Father's Day．（ ）
A．inB．atC．onD．by
Ladies and gentlemen，attention please!I have ______ important to tell you．（ ）
A．nothingB．somethingC．everythingD．anything
