1.which of the following modals expresses an obligation?
a.can
b. might
c. should
d. must not
2.what modal is used to express prohibition
a. may
b. should
c. ought to
d. must not
3.which of the following statements expresses an obligation?
a. may i use your computer maam?
b. students must obey school and regulations
c. could you please hand me the big bowl near yhe soup?
d. you shouldn't cut classes or else you will suffer the consequence
4. which of the following sentences shows polite expression?
a. could you do me a favor?
b. may you be verry happy!
c. will you have a sandwhich?
d. should you pay me a visit?
pls help me​