69. With the guide leading the way, the visitors were able to travel through the forest not by air but _____ foot.
| A．by | B．on | C．in | D．with |
They had an accident on the road and didn’t ________ at their hotel until after midnight.
| A．check out | B．check over | C．check on | D．check in |
There’s growing unrest among the poor and unemployed. The media points out that it’s the government that should have a lot to ________.
| A．answer for | B．care for | C．go for | D．stand for |
That the truth came out panicked him. But he didn’t want to ________ his fears and insecurity to anyone.
| A．link | B．associate | C．expose | D．deliver |
Much to our satisfaction, construction of the new hospital is ________ smoothly according to schedule.
| A．programming | B．processing | C．developing | D．progressing |
He spoke so casually, as though the problem were of little ________.
| A．matter | B．consequence | C．benefit | D．circumstance |