IF HE ______ ALL THAT, HE WILL BE ILL. (ATE / WILL EAT / HAS EATEN...

49. - BAI TAP TRAC NGHIEM TIENG ANH 9
BAI TAP TRAC NGHIEM TIENG ANH 9

49. If he ______ all that, he will be ill.

(ate / will eat / has eaten / eat)