“Did Jim come?” “I don’t know. He _______ while I was out.”

A. might have come      B. might come C. mush have come      D. should have come

“Did Jim come?” “I don’t know. He _______ while I was out.”

A. might have come      B. might come

C. mush have come       D. should have come

—Did Jim come?

—I don’t know. He _______ while I was out.

A. might have come     B. might come  C. mush have come   D. should have come

---Did Jim come?

---I don’t know. He _______ while I was out.

1. A.
   might have come
2. B.
   might come
3. C.
   mush have come
4. D.
   should have come

— I don’t know. He ________ while I was out.

A．might have come

B．has come

C．must have come

D．should have come