Question

--Why hasn't Mr.White got in touch with us?-- I,don't quite know.It ... be has lost our phone number.

A may
B ought to
C must
D should
какой вариант помогите

Answer 1

-- Why hasn't Mr. White got in touch with us?

-- I don't quite know. It may be that he has lost our phone number.

A may

B ought to

C must

D should