Seldom ____ as lonely as now, though I have been living in this house for more than 20 years.A have I felt B I have felt C I had felt D had I felt
--How about the book you are reading? --Good indeed. It ______many problems we have come across in our study.
I enjoy noodles ______ by my mother, which taste very delicious.
For a simple question, ______ is not necessary to ask for her help.
The little boy has ______ many bad habits after going to school.
Yesterday I ____my e-mail box from 163.com and found a strange e-mail.