IF SHE ..HIM,SHE WOULD BE VERY HAPPY.…A-WOULD MEET B-WILL MEET C-IS...

21- - BAI TAP TRAC NGHIEM CAU DIEU KIEN
BAI TAP TRAC NGHIEM CAU DIEU KIEN

21-If she ..him,she would be very happy.

…

A-would meet

B-will meet

C-is meeting

D-should meet