67. The Prime Minister was more fit __________ his office than anyone else.
As we all know, it was _____ that resulted in the terrible car accident.
In order not to be disturbed ,I spent three days in my study.
With online course Crazy English has over 20 million students all over China the class through the Internet .
He sat back on the chair, took a book and began to read, ___.
At the computer operation test, one is supposed to stay at his own machine, keep his eyes on his screen, ______ to anyone.