Check out some rules that will help you avoid an accident. Choose the correct modal verb and adverb.

Choose the correct options.

You [shouldn't|should] ask your parents' permission [nervously|nervous].

You [should|shouldn't] listen to your teachers [carefully|careful].

You [shouldn't|should] let people in if you don't know them [properly|proper].

You [should|shouldn't] switch on the alarm system [quickly|quick] if somebody tries to enter your flat.