These days Victoria has been __________ in her graduation paper and has no time to take care of her pet dog.[ ]

I like seeing kids happy and, if they＿，it makes my job a lot easier.

You shouldn’t eat junk food, ______ it tastes good．

He knew the problem was serious and undertook to look into it he reached the office

If you focus on what you’ve left behind, you’ll never be able to see what lies ahead.— That’s it.