Why does the lake smell terrible?—Because large quantities of water ________

Why are you so late?-Bad luck.A car accident happened not far outside the town，and so we were________on the way.[ ]

He’s got our tickets.—That’s good I ________afraid that he ________them.

When her husband died， she lived ______. Her lovely pet dog made her feel less _______.

We should spend ______ money solving ______ problems.