A．She has more letters now than before.
B．She hasn’t so many letters as before.
C．She often hears from her family now.
D．She is used to having a lot of letters.

A．Two evenings is enough to do the computer programming.
B．Dr. Davis is going to check their work on the computer programming in a week’s time.
C．It will take no less than a week to complete the computer programming.
D．It will take at least two evenings to do the computer programming.