— What's the matter with the man hanging his head there?

— Well, if you _____ know, he was caught stealing my bike.

A. must         B. may        C. can       D. shall

—What’s the matter with the man hanging his head there?

    —Well, if you _______ know, he was caught stealing my bike.

A. must                                B. may                                  C. can                                   D. shall

--- What's the matter with the man hanging his head there?

--- Well, if you _____ know, he was caught stealing my bike.

1. A.
   must
2. B.
   may
3. C.
   can
4. D.
   shall

---What’s the matter with the man hanging his head there?
---Well, if you ______ know, he was caught stealing my bike.

1. A.
   must
2. B.
   may
3. C.
   can
4. D.
   shall

—What’s the matter with the man hanging his head there?

    —Well, if you _______ know, he was caught stealing my bike.

A. must                                B. may                                  C. can                                   D. shall