put the correct form of past simple or present perfect
I………hue four times (visit)
they……… a new house (by)
he ……….a car two month ago(by)
they …………thousand of CDs (collect)
last year I………..hue (visit)
he ……… stamps when was a child (collect)
peter …………the exam again(fail)
$\text{1. have visited(HTHT)}$
$\text{*by là buy đúng không bn??* 2. have bought(HTHT)}$
$\text{3. bought(QKĐ)}$
$\text{4. collected(QKĐ)}$
$\text{5. visited(QKĐ)}$
$\text{6. collected(QKĐ)}$
$\text{7. has failed(HTHT)}$
1.have visited
2.bought
3.bought
4.collected
5.visited
6.collected
7.failed