1. Complete the sentences to correspond with each other.

2. Complete the sentences which correspond with each other.

3. Complete the sentences corresponding with each other.

4. Complete the sentences so as to correspond with each other.

5. Complete the sentences so that the sentences may correspond with each other.

6. Complete the sentences in order that you can correspond with each other.
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Which ones are similar to #1 in meaning among them?

Please clarify what you intend the verb "correspond" to mean in these sentences.

There are some pairs which are composed of a picture and a sentence with a blank. Correspond seems to be 'to be suitable.'

Then the directions need to indicate that each sentence corresponds with a picture, right?

You can also use the word "match." For example: Complete each sentence so it matches its corresponding picture.

Among the given options, sentences #1, #3, and #4 are similar in meaning to each other. They all imply that you need to complete the sentences in a way that they correspond or match with each other in some way.