When asked why he prefers bikes to buses, the professor said, “Riding a bicycle takes __________ half an hour, but it’s more convenient and environmentally friendly. ”
After the earthquake, the first thing the local government did was to provide _____ for the homeless families.
Duty is an act or a course of action that people _____ you to take by social customs, law or religion.
They controlled most of its land and made full use of its rich in iron and oil.
We’ve offered her the job, but I don’t know______ she’ll accept it. A. where B. what . whether D. which
I am afraid he’s more of a talker than a doer, which is ______ he never finishes anything.