He built a telescope ____ he could study the skies in his free time.

Thank you for your help,_____ we could not have finished the work in time.

"Doesn't Elanine want to see that movie?" "Yes,but she says_______go tonight."

The desk_____Tom is leaning is Jack's. It's covered with dictionaries.

Thedesk_____TomisleaningisJack's.It'scoveredwithdictionaries.