Rewrite the sentences. Do not use to.
Use the words in brackets.
1 Show the jacket to Harry and Claire. (them)
Show them the jacket....
2 Give the shoes to Harry. (him)
3 Pass the watering can to Claris. (her)
4 Sell the invention to the customers. (them)
5 Send the catalogue to Claire. (her)
6 Lend the rain alarm to Harry. (him)