1.The two boys(were) in the same class last year.
2.---Where (did) you (go)
----I went to buy some food for supper.
3.The students in Li Lei’s class (were) on a farm last week.
4.that worker (was/worked) in a shoe factory a year ago?
5.---Did you find your pen
----Yes,I (was) it two hours ago.
6.(Did) your mother(go) to work last Saturday?
7.They (were) not late the day before yesterday.
8.(Were) they away from school last October?
9.(Did) you (go) to school last Sunday?
10.What (did) they (have) for breakfast last week?
11.My friend (did) his homework fifteen minutes ago.
12.The boys (learned/had) only subjects last term,but this term they (learned/had) five.
13.Why (did) Ann (watch) TV last night
14.They stopped here because they (lost) the way to the station.
15---Where (did) you find your ticket?
----I (put) it on the ground.