—I haven’t seen you walk your dog recently? Why?—Well, I have _______ the habit, as it _______ too much of my spare time.

In order to ______ his muscle, Mike goes to the gym regularly to do exercise.

He was lucky in the accident, but his car was completely _________.

My friend Li Ping felt       when he was not admitted into the university.

Mary recommended me _______ an English dictionary, which I thought would be of great help.