Multiple choice

Directions: Mark the most suitable option to complete the blank.

His old slippers look so worn-out. He _________ wearing them frequently.

  1. must have been

  2. has to be

  3. should be

  4. will be

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The first sentence provides a clue. Modal 'must' (which is used for 100% happening of something) works on this clue.

Keep practicing — related questions