________ you have to do the job, you should try your best to do it well even though it may be very difficult for you.
We ________have bought so much food now that Suzie won’t be with us for dinner.
We had a party to ________ Mother’s silver wedding.
The book is neither yours nor mine. Whose ________ it be?
On National Day, people sing and dance to ________the birth of our country.
When a pencil is partly in a glass of water, it looks ________ it were broken.