My mother is an excellent teacher.She is ________ to spend a lot of time explaining things to her students.
They arrived early at the airport, __________they had time to go shopping.
My father offered __________me to the zoo last weekend.
Li Hua’s shoes are as as Zhang Hui’s.
—What’s the __________of China? —More than 1.3 billion.
It’s too cold today. Tell him__________the window.