SHE WILL HAVE TO STUDY HARD. SHE WILL HAVE TO CONCENTRATE TO DO WEL...

4. - BAI TAP TRAC NGHIEM TU LUAN VOI BOTH AND NOT ONLY BUT ALSO EITHER OR NEITHER NOR A3957
BAI TAP TRAC NGHIEM TU LUAN VOI BOTH AND NOT ONLY BUT ALSO EITHER OR NEITHER NOR A3957

4. She will have to study hard. She will have to concentrate to do well on the exam. (not only ...

but also)

...

...