When we were in Canada, we (a)   (go) skiing almost every day.

When (a)   (you/ meet) your wife? - 3 years ago.

Peter (a)   (not phone) yet. I'm still waiting.

I (a)   (know) Helen since we were at school together

My uncle (a)   (live) in Berlin in 1999.

We (a)   (not see) Beth at Mike's house yesterday morning

Do you like this picture? My uncle (a)   (paint) it.

Mr. Dass (a)   (leave) for New York late last night

Mr and Mrs. Grey (a)   (teach) French here for over five years.

Mr. and Mrs. Phuong (offer) (a)   free meals for the poor in Ha Noi so far.

We (clean) (a)   up the dirty streets in our area last Sunday.

_________ you ever (recycle) _________things, such as bottles or paper?

(a)  

My sister (tutor) (a)   children from poor families twice a week

_________ you (provide) _________ evening classes for sixty children last summer?

(a)  

I think Mr. Quang (donate) (a)   blood several times

_________Tom (participate) _________ in ‘Green Summer’ program before?

(a)  

They (not start) (a)   the community garden project in 2012

_________ your friends (sing) _________for the elderly people every Sunday?

(a)  

When _________ (you/ buy) these shirts? - I _________ (buy) them yesterday

(a)