1. When did you start school ? - When I was six.
2. Miss Hien has taught in our school since 1995.
3. Mai is happy when she has received from her sister this morning.
1. When did you ( start ) start school ? - When I was six.
2. Miss Hien ( teach ) has taught in our school since 1995.
3. Mai ( be ) is happy when she ( receive ) has received from her sister this morning.
Study well
&YOUTUBER
Chia đt thích hợp
1. When ___did__ you ( start ) _start____ school ? - When I was six.
2. Miss Hien ( teach ) __has taught__ in our school since 1995.
3. Mai ( be ) _is___ happy when she ( receive ) _has received___ from her sister this morning.