You can only be sure of _______ you have at present; you cannot be sure of something _______ you might get in the future.
With the guide _______ the way, we finally got to the village which we were looking for.
I think they’ve got to the very point _______ a change is needed, or they will fail.
Thecleverboymadeaholeinthewall,____hecouldsee____was goingoninsidethe house.
He had no sooner arrived there ________ pestering his doctor.
While shopping, people sometimes can't help _______ into buying something they don't really need.