1. After school times, Lan usually ___________ (tutor) lower grade students.
2. In order to be healthy, Tom always ___________ (ride) a bike on weekends.
3. Sam: ___________ you ___________ (swim) yesterday afternoon?
Luke: Yes. It was great.
4. The children ___________ (run) around the garden. They look so happy.
giúp mik vs
$\text{(+) S + V-(s/es) + …}$
$\text{(?) Did + S + V-bare?}$
$\text{(+) S + am/is/are + V-ing}$
$\boxed{\color{purple}{\text{#KaitoKid!}}}$