I’m worrying about my coming examination——Well, you will succeed in the end _______ you work with a strong will

To ________ it simply, if you don’t apologize to him, you will lose this friend. [ ]

Studies show that people are more tosuffer from back problems if they always sit before computer screens for longhours.

Which of the shirts do you like better— I’ll take _______. They are very fashionable andcheap.

Tom hfellow．