When he explained it again and again, the student's patience ______ .

A:ran over B:ran on C:ran out D:ran off

After the holiday makers were warned of a rockslide, they all ______.

A:ran to it B:ran for it C:ran from it D:ran away off it

After the holiday makers were warned of a rockslide, they all ______.

A:ran to it B:ran for it C:ran from it D:ran away off it

When he explained it again and again, the students' patience ______.

A:ran over B:ran on C:ran out D:ran off

I unexpectedly（　） him on the street yesterday evening.

A:ran after B:ran through C:ran to D:ran into

Soon they ____________ the water which ____________ the pipE.

A: ran out; ran out of B: ran out of; ran out of C: ran out; ran out D: ran out of; ran out