In communication, a smile is usually _____ strong sign of a friendly and _____ open attitude.()
the; /
a; an
a; /
the; an
– I spent three hours buying a train ticket at the railway station the other day .-- Why ? You __________ one on the Internet or by phone .
The newly married couple couldn’t afford to buy a new car ; __________ , they bought a used one .
– Well , Jack , I am sorry that I have to leave .-- __________ . Let’s email often .
__________ is no possibility __________ Bob can win the first prize in the match .
As is known to all , bicycles of this kind __________ well here .