Do more exercise, ___ you'll have a strong body. A. and B. or C. so D. /

The correct answer is A. and. This sentence uses the "祈使句 + and + 陈述句" structure common in English, where the first clause gives a command or suggestion, and the second clause shows the positive result.

"Do more exercise, and you'll have a strong body" means increased exercise leads to a strong body—a logical cause-effect relationship.

B. or would imply a negative consequence ("otherwise"), which doesn’t fit here.

C. so indicates a result but would require reversing the clauses ("You'll have a strong body, so do more exercise"), which changes the meaning.

D. / (no conjunction) creates a comma splice, a grammatical error in English.

Understanding these conjunction patterns helps construct clear, logical sentences. How might you rephrase this sentence using "if" instead of "and"?