1. has→have
2. is→was
3. read→reads
4. runing→running
5. mystery→mysteries
6. sam→Sam
7. .→?
8. does→do
9. in→on
10.in→fo
六.每个句子中有一出错,圈出来,并把正确的写在上面.
1. has→have
2. is→was
3. read→reads
4. runing→running
5. mystery→mysteries
6. sam→Sam
7. .→?
8. does→do
9. in→on
10.in→fo