Gerund - ing + infinitive

Have you ever forgotten ________ a ticket for a train ride, then got caught?

• buying
• to write
• purchase
• to buy

If you were in a hurry and you saw an accident but there were lots of people around, would you stop _______ ?

• to take
• helping
• to help
• witnessing

Is there an event in your country you'll never forget ______ , because it was so significant? 

• thinking
• witnessing
• to witness 
• forgetting

Do you ever stay awake at night because you can't stop ________ about a problem?

• thinking
• to study
• remember
• sleeping

Do you always remember _______ a break when you're studying hard? 

• eating
• take
• exercising 
• to take

Has anyone you've ever known since you were younger gone on ________ famous?

• be
• to join
• to become
• becoming

Have you ever tried _________ on your hands as a way of reminding yourself to do something?

• cooking
• to draw
• writing
• to jump

How long do think you'll go on __________ English?  

• to hate
• learn
• studying
• be

Do you sometimes remember _________ something in a safe place but find you've forgotten where you've put it?

• hiding
• to put
• take
• enjoy