_______________many children like sugar, I think they had better try not to eat it too often.

--I can’t solve the math problem because it is too difficult. What should I do? -- _________ ask the teacher for help?

—When did you finish your homework last night?—A bit late, ________ my father came back home from work.

It’s raining outside! Put on your raincoat, ________ you’ll get wet.

 My mother doesn’t like watching romantic films _______ they usually have happy endings.