Alfred found _____ difficult to learn English well in a short time.A. this B. that C. it
Don’t worry, there is _____ with you.
It was _____ bad weather that we decided to stay at home.
Lingling got up early ____ she could catch the early bus.
---How long ____the supermarket ____? ---Four years.
---Is this book____?---No, it isn’t. _____is on the desk.