John hadn't been able to stop smoking suddenly; he had to control his smoking desire __________.
--- It worries me a lot that my 5-year-old son has started telling lies. --- I think you shouldn’t let him _______ it.
--Where are you going for your weekend? --- I haven’t decided yet. I ______ go to the Hemudu Site Museum.
. --- What else do you want to know about the cell phone? --- _______ it can be used as a digital camera. You know, I’m into photography.
The majority of the people surveyed are _______ bringing down the housing price, which is terribly high for the general public.
The old lady was so pleased with all ______ we had done for her ______ she wrote us a thank-you letter.