He’s thinned down a lot since he ___________ a diet.

Do you understand the problem? — No. Although Mr. Murphy had explained it, his explanation didn’t _____ to me. [ ]

Some people buy stamps not for sending letters now. They________them as their hobby.

obile phone, to be most useful and fashionable, is popular with some teenagers.

I heard Mr Morgan would be here at 4:00 pm next Thursday.—No, he _______ at that time.