With the pandemic finally under control, many families are looking forward __________ together for the holidays and celebrating traditions they’ve missed over the past few years.

• শূন্যস্থানে সঠিক উত্তর হবে - to gathering.
- Complete sentence: With the pandemic finally under control, many families are looking forward to gathering together for the holidays and celebrating traditions they’ve missed over the past few years.

• Use of Look forward:
- Look forward এরপর to + verb + ing বসে।

• Example:
- I am looking forward to receiving your letter.
- I am looking forward to seeing you.
- My friend is looking forward to going to London.
- He is looking forward to starting his new job.

• এছাড়াও, বাক্যে mind, cannot help, could not help, with a view to, look forward to, be used to, get used to, worth ইত্যাদির পর কোনাে Verb আসলে উক্ত Verb - এর সাথে ing যুক্ত হয়।
যেমন:
- He came to Dhaka with a view to visiting a new place.
- Would you mind closing the door?
- I don't mind taking a cup of tea.
- He cannot help laughing out loud.

Source: Applied English Grammar and Composition, P.C. DAS.