About six months later,the letter they were looking forward to ________at last.
In our school, the students have three__________ courses and seven __________courses.
Being able to speak another language fluently could be a great ___when you are looking for a job.
It doesn’t often snow in my hometown in winter, but it ___be rather cold sometimes.
His first baby was born soon after he got married, which seemed to have ___his sense of responsibility.
–You’ve got a stomachache? But we ate at the same place. How come my stomach is fine? --You have an iron stomach! Mine isn’t ___ strong.