1.A.serious B.symtoms C.sugar D.sauce
2.A.cable B.station C.answer D.latest
3.A.wrong B.weight C.wait D.weather
4.A.math B.month C.both D.with
5.A.teenager B.shortage C.message D.passage
6.A.started B.weighed C.measured D.called
7.A.follow B.allow C.blow D.know
8.A.earth B.earn C.heart D.heard
9.A.headache B.each C.watch D.church
10.A.minority B.gramophone C.robbery D.monument
20 000 + 20 000
= 20 000 x 2
= 40 000.