Question

Complete with the most suitable modal verb
a) Sally looks pretty sick - I think she ___ go to a doctor
-can or - should
b) You've been driving all day - You ___ be exhausted!
-must or - should
c) You ___ smoke so much. It's bad for your health.
-can't or -shouldn't
d) Hey I'm lost - ____ you help me?
-should or - can
e) You have such a beautiful voice - You ___ sing for us!
-should or -can
f) I know he speaks five languages, but ___ he speak Arabic?
-should or -can
g) That looks very expensive. Ir __ have cost a fortune!
-must or -should
h) I ___ believe that Allan failed his test!
-can't or -shouldn't
i) I'm on my way. I ___ be there in about 10 minutes.
-can or -should
J) I'm sorry. I ____ afford that.
-shouldn't or - cant't

Answer 1

a - should
b - must
c - shouldn't
d - can
e - should
f - can
g - must
h - can't
i - should
j - can't

Answer 2

a) Should b) Must c) Shouldn't d) Can e) Should f) Can g) Must h) Can't i) Should j) can't