We do have the most supportive parents and teachers, ________will make a difference to our study, unless all of us make every effort .

I could just see a car in the distance, butI couldn’t _____ what color it was.

Do you still remember when we went to Nanjing?— I cant’ remember now but ________ sometime last summer?[ ]

The pair of shoes _____my feet at all.

I’d like to have a picnic tomorrow.— _________. We’re too busy these days.