Question

We ..................... keep our colonies clean.

• A. may
• B. should
• C. might
• D. could

Hint:

Use "should" when giving advice or expressing an obligation.

Answer 1

The Correct Option is B

Step 1: Understand the meaning of the modal verb.
"Should" is used to give advice or express obligation. In this context, it is used to express the idea that it is necessary or recommended to keep the colonies clean.
Step 2: Analyze each option.
- (A) may: Incorrect. "May" is used to express permission, not obligation or advice.
- (B) should: Correct. "Should" is the appropriate modal verb to express a recommendation or moral obligation.
- (C) might: Incorrect. "Might" expresses a lower degree of possibility, not obligation.
- (D) could: Incorrect. "Could" expresses possibility or ability, not an obligation.
Step 3: Conclusion.
The correct sentence is "We should keep our colonies clean."