Though he has lived in America for five years, he doesn’t intend to __________ American citizenship.
On this important feast day, people eat food in the ______ of skulls and cakes with “bones” on them.
While in university, we were offered a number of afterschool activities to _____ our social skills.
The top leaders of the two countries are holding talks in a friendly ________.
---- You’re coughing badly, Martin.Why not give up smoking?---- Give up smoking? Easier said than done, Amy.Once you _____ the habit of smoking, it is very hard for you to______.
To make members of a team perform better , the trainer first of all has to know their _____ weakness.