1 . If only I ________ her advice that I book an air ticket in advance. I ________ a slight change in schedule could have such a strong influence on my travel plan.

A．followed; don’t expect	B．have followed; didn’t expect
C．followed; hadn’t expected	D．had followed; didn’t expect

2 . If only I _____________ her _____________ that I book an air ticket in advance. I _____________ a slight change in schedule could have such a strong influence on my travel plan.

A．followed; plan; don’t expect	B．have followed; instruction; didn’t expect
C．followed; example; hadn’t expected	D．had followed; advice; didn’t expect

3 . Look at the trouble you are in！_______your parents’ advice.

A．If only you would have followed	B．If only you followed
C．If only you would follow	D．If only you had followed