Rule Reminder: Look at the beginning of the word!
If it starts with AL- (اَلْـ) = Give it a single Dammah (ـُ).
If it does NOT have AL- = Give it Tanween Dammah (ـٌ).
1
(مُبْتَدَأٌ)
اَلْكِتَاب ____
4
(مُبْتَدَأٌ)
اَلْمُعَلِّم ____
6
(مُبْتَدَأٌ)
اَلْبَاب ____