Question

(m) We ........... (have/are Waving) a party to celebrate
our wedding anniversary. Would you like to
come ?
in) The problem of world overpopulation
(is concerning/concerns) all of mankind.
(o) When I ........... (had/have) arrived they started the meeting
​

Answer 1

Answer:

a. have

b. is concerning

c. had

Answer 2

Answer:

A are waving

B is concerning

C had