She looks very sick. I think she ...... go to the doctor. ( can / should)
should
You ...... smoke so much. It's bad for your health. (mustn't / can't / shouldn't)
shouldn't
Hey I'm lost. ...... you help me? (Must / Can / Should)
Can
I ........ believe that you failed your test! (mustn't / can't / shouldn't)
can't
I ........ come to your house in about 10 minutes. I'm really fast! (must / can / should)
can
I ......... afford that. It's too expensive. (mustn't / can't / shouldn't)
can't
You ......... take the blue one: it suits you! (must / can / should)
should
She ........ take an umbrella: it's going to rain! ( can / should)
should
You ....... do more sport if you want to lose weight. ( can / should)
should
I think we ..... take this road: it's not on my map! (can't / shouldn't)
shouldn't
