Chuyển đổi lại câu sử dụng từ trong ngoặc 1 . The only thing i could do was wait ( choice )  ->  2 . I've never taken much interest in this subject , but i have read a couple of articles about it . ( expect ) ->  3. Work is the only thing he 's interest in ( but ) -> 4 . The only thing i can do in this situation is laugh about it ( but )  5. The only thing you can do is admit that you were wrong ( opinion)