The answer of Exercise 1 - Grammar and Vocabularies
1.
be > are (answers is
given for an example)
2.
need > needs
3.
search > are
searching
4.
hear > is heard
5.
have not > are not
having
6.
discover* > has been
discovered
7.
rush > rush
8.
come > come
9.
travel > travel
10.
become > will become
11.
disappoint* > will be
dissapointed
12.
help > will help
