Zaznacz poprawny punkt.

1. Look at the clouds!! It ____ rain soon.
a) must be
b) have to
c) it going to
d) will
2. This is the boy ____ parents are teachers.
a) which
b) that
c) whose
d) who
3. You ___ touch anything in the museum.
a) must
b) mustn't
c) need
d) have to
4. When I ______ the classroom, the test had started.
a) had enter
b) entered
c) enter