If you _____ the medicine you _____ better now.
In most countries, urban population is ____ while the population of German ___ by 8 percent.
I finally had to _____ the subject of payment.
There is something wrong with my washing machine and it requires _____.
We walked a long way to see him off, only _____ that he had just left.
The pen my brother gave me as a birthday gift _____ smoothly. I do like it.