At first I regretted _____ them to stay, but we soon became great friends.
Smile when ______ the phone. The caller will hear it in your voice.
It is suggested that you live ______ good and honorable life. Then when you get older and think back, you’ll get to enjoy it ______ second time.
—My professor and I have seen your paintings at the exhibition. They are so creative!—______.
Joy _______ as a language teacher in China for two years before she went back to London.
—Why didn’t you give back Robert’s e-dictionary yesterday?—I forgot ______ it here, but I mean ______ it to him tomorrow.