I have some problems __________ my homework. Could youtell me _____

Shall we go shopping now–Sorry. It is not the right _______. I am too tired.

There is a small park ________ the shop.

_____ by a greater demand for green products, the food company has set higher standards to ensure the quality [ ]

–Have you been wasting time oncomputer games again– _______. I’ve been studying a lot and Ineed a break.