1. I called Lucy three times yesterday, but there was no reply. (同义替换)
A. visited B. phoned C. told
2. Mike goes to school on foot every day. (同义替换)
A. rides to school
B. walks to school
C. has a walk after school
3. Her mother is sick, so she has to take care of her at home. (同义替换)
A. look after B. check over C. look for
4. She got up early this morning so that she could catch the first bus.
A. because B. in order to C. in order that
