—Jack is always complaining about not having any money. —The problem is that he doesn't work hard and never ____.
The changes in our chemistry lab will cost quite a lot,____they will save us money in The long run.
.—____can I deal with such a situation?—Take____measure you think best.
These two countries are similar____they both have a high snowfall during winter.
.____are the days when teachers were looked down upon.
Look!____.