Look at the trouble I am in. If only I _____ your advice.

Look at the trouble I am in. If only I _____ your advice.

A．followed　        B．would follow       C．had followed　     D．should follow

Some travelled right into the heart of Africa guessing where the River Nil　 　andit    where it went.

A.began;followed　　　　　　　　　　　B.might begin;following

C.begins;follows　　　　　　　　　　　D.must begin;followed

The Smiths walked and talked along the road with their dog ________ behind them.

A．followed　　 　 B．to follow

C．following　　 　 D．follow

Then came a terrible thunder_____the sudden lightning．

A．followed　 　　B．followed by　 C．following　　　　 D．following by