is mother was ill yesterday, so hehad to _____ a doctor.

Only when I left home to go to college ___ how much my mother had done for me.

How are you getting along with your studies–I haven’t made ________I should.

There is no need to tell me your answer now. Give it some ______ and then let me know.

下列字形书写完全正确的一组是（ ）