c4:put the verbs into the pre sent pertect or the past simple
1>We(study) almost every lesson in this book last month?
2>I(not see) her yet.
3>She(already/do) her home work.
4>They(never/do) aeribics in their life.
5>Tom,I(not see) you for ages!When you(be)
6>We(not meet) Lan since we(leave) shool.
7>I(buy) a new shirt last week but I(not wear) it yet.
8>They (attend) Quang Trung school since last year.
9>I(not eat) in that restaurant last summer vocatuon.
10>How long(they/know) each other?