With the speedup of the railway, now you can get to your destination____by train.
I ____ at my new novel when the big earthquake happened at 2:20 pm.
She supports a culture ____ people believe they can make anything happen.
– Kate and John got married last week.-- Are you kidding? They have _____ in common.
– Will you stay in this city for another two weeks?-- I am not sure. ______
Although the entrance to the cave was very narrow, those visitors managed to________through it.