When is the hand-in date？A．20th May.B．21st May.C．20th March.D．21st March.

Stonehenge is a famous monument dated from the 16th century.（)

When is the National Day of Australia？A．July 1st.B．July 4th.C．February 6th.D．January 26th.

When is the National Day of New Zealand？A．January 26th.B．February 6th.C．July 1st.D．July 4t

When is Labor Day in U.S.A.？A．The first Monday of May.B．The first Monday of September.C．Th

When is North Korea planning to send their satellite？A．On the 100th birthday of their form

The correct procedure for giving an auxiliary boiler a bottom blow, is to begin .A.when th