It is really a challenge for me to finish it. In order not to be disturbed, I spent three days ______ in my study surfing the internet to do the research.
A. locking B. locked C. to lock D. lock
The money collected from ticket sales could be ______ food and clothes for the people in the flooded areas.
A. cost B. paid off C. spent on D. paid back
In our ______, anyone ______ breaks the law should be punished.
A. opinions; that B. opinions; who C. opinion; he D. opinion; who
She doesn't plan her days. She watches TV ______ evening and changes channels ______ few minutes. So for her this summer just means another boring vocation.
A. in; every B. every; every C. every; each D. every; in
Seeing the happy ______ of children playing in the park, I’m full of joy and confidence in the future of our travel agency.
A. sight B. view C. sign D. scene
More and more people choose to shop in a supermarket as it offers a great ____ of goods.
A. variety B. mixture C. attention D. kind
