Complete each sentence using the verb in brackets. Write your answers into each gap. Don't forget about the infinitive and -ing form.
1. Chris succeeded in ... the problem. (solve)
2. I’m looking forward ... from you. (hear)
3. Helen wanted ... me lunch. (buy)
1. Chris succeeded in solving the problem.
2. I’m looking forward to hearing from you.
3. Helen wanted to buy me lunch.