Gerund vs. Infinitive

What do you mean___ about the leaky pipes?

• to do
• do
• doing

I never imagined the mountains___so high!

• to be
• being
• be

Don't forget,___ me before you leave.

• to wake me
• waking
• wake me up

I regret___ that we cannot accept your offer.

• to tell you
• telling you
• to tell

Did you manage___the book you were looking for?

• to find
• find
• finding

I tried ___that medicine you gave me but I couldn't swallow it.

• taking
• take
• to take

We have postponed ___anyone the news until after Christmas.

• to tell
• tell
• telling

Have you considered___a microwave oven?

• to buy
• buying
• buy

Sorry I'm late, I had to stop___ the children from school.

• to pick up
• picking up
• pick up

Margaret was slow at school, but she went on___Prime Minister.

• to be
• is
• being