There is nearly five thousand dollars         of goods in the shop.

We could not reason out the way the robbers escaped，because we were unable to find any ________ of them.

Dogs are our good friends as they can keep ______ with us when we are lonely．

I have to reschedule the appointment with you since there is a ________ in my plan.

 If what you are teaching doesn’t _____ to your students, your students will gradually lose interest in it.