a sentence containing a subordinate clause or clauses or you can also say its a complex sentence contains an independent clause and at least one dependent clause.
Hi !!
1- b- watching
2- a- wouldn't be spending
3- ?- to Peru , the Andes, <em>???? should be </em><em>to </em><em>South America ......</em>
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4- c- more efficiently than
5- b- will have explored
☺☺☺
It is in a remote location
railway depots are on open land; locomotives pull trains which are usually not in populated cites
