I’m very grateful for your help and hopethat someday I may be able to do something for you___．[ ]

We had just covered half the journey________the engine failed and we could do nothing but wait for help.

The market isn’t far from here. It’s onlybicycle ride.

I’m not sure _____there are living things on other planets or not.—_______.

___ advertisements are of great help, I don’tthink we should entirely rely on them