There is no experience ______ is more exciting than skating on real ice.
Actually, Miss Zhang is not at all serious as she _____.
We need to wear sunglasses to ____ our eyes from the sun.
The boy's bad behavior ____ his mother lots of sleepless nights.
. He ____ to help me with my math, but I refused his help, for I decided to do it on my own.
The short play put on last night did ____ large audiences.