into

Fill the collocation, then say the whole sentence out loud.

1. 1

   She's really ___ yoga at the moment.

   Say it, then check
2. 2

   The caterpillar turned ___ a butterfly.

   Say it, then check
3. 3

   I ran ___ an old friend on the subway.

   Say it, then check
4. 4

   We'll look ___ it and call you back.

   Say it, then check