Помогите, кто знает. Нужно выбрать правильный вариант.

1. A check is a written order to a bank to pay a certain amount of
money to the person or business to who/whom the check is
made.
2. This is the executive to who/whom the expert explained how to
accomplish the task.
3. It would also include individuals in junior managerial or profes-
sional jobs, many of who/whom could expect to earn
considerably more as their career progressed.
4. If you know that your grandmother, who/whom loves rye bread,
is coming to visit you, you might want to get some for her.
5. The customers who/whom buy this “loss leader” can decide to
buy a few other things they need.

who-кто, который; whom-кому

1. A check is a written order to a bank to pay a certain amount of  money to the person or business to whom the check is  made.

2. This is the executive to whom the expert explained how to  accomplish the task.

3. It would also include individuals in junior managerial or professional jobs, many of who could expect to earn  considerably more as their career progressed.

4. If you know that your grandmother, who loves rye bread,  is coming to visit you, you might want to get some for her.

5. The customers who buy this “loss leader” can decide to  buy a few other things they need.