I am going to buy (a)   a new watch.

The children made cards (a)   for their class teacher last Monday.

Please help (a)   to a pie, Jim.

John and I are enjoying (a)   playing basketball.

The teacher said, 'Class, you must do your homework (a)   .'

I can hear (a)   when I am singing.

You can hear (a)   when you are talking.

Henry can see (a)   in the mirror.

John's niece can see (a)   in the movie.

The parrot can free (a)   if it wants to.

We can help (a)   if we work together.

'You can teach (a)   if you pay attention,' said Mrs Tan to her students.

They can hurt (a)   if they are not careful.

The infant cannot carry the milk bottle (a)   .

The pandas enjoy eating the bamboo shoots (a)   .

My siblings enjoyed (a)   at the party yesterday.

You and I have to work on the report (a)   .

Taxia saw a duckling washing (a)   in the pond.

William and Joseph blamed (a)   for the mistake.

Farah and I should find the solutions to the problems (a)   .

'The deer can take care of their fawns (a)   .

'I can feed (a)   if I am hungry,' said Lily.

The patient can walk (a)   if he practises well.

Jenny made the decision to sell bookmarks (a)   .