Computers will______our working conditions to such an extent that we may imagine most people working at home someday in the future.
A. improve
B. effect
C. increase
D. afford
It was______ the policeman came______ the parents knew what had happened to their son.
A. before; as
B. until; when
C. not until; that
D. until; that
I______you with the funds. Why didn't you ask me?
A. could have provided
B. should have provided
C. must have provided
D. ought to have provided
Unfortunately, he didn't______to read the agreement carefully before signing it.
A. bother
B. disturb
C. occur
D. happen