The plant is dead. I _____ it more water.

I wrote a letter to John for his help during my high school years，without which I ________  the college entrance exam.

________ your letter, I would have set off two days ago.

—It's a pity that Andrew didn't want to go to the conference.
—________ willing to go，we could have paid all his expenses.　　　　　　　　　　　　　　　　　　

As it turned out to be a small house party, we        so formally.

The earthquake victims were given clothes and food, without which they            of cold and hunger.

--Is Jack still in hospital?
--Yes. He _________ the bad food.

I _________  to the party with you tomorrow if I didn’t have to attend the meeting.

Tony ____ the invitation, otherwise he would have attended your birthday party.

The result was disappointing－we ______ have won the game easily.