Have or Has

In present tense sentences and present perfect tenses we use has with the third person singular:

"He has a pet dog."
"She has a boyfriend."
"It has rained all day" (present perfect)
"Susan has your pen."
"The car has a flat tyre."

'You' and 'I' use have.
"You have a nice apartment."
"I have a problem."

Plural nouns use have
"Dogs have better personalities than cats."
"My shoes have holes on them."

Singular nouns and uncountable nouns use has
"The traffic has made me late."
"Which shop has the best clothes."

Use this link for more detailed information: Using have and has

The exercise is pre-intermediate level:

• Do you ___ my phone number?
  
  has
  have
  
  
• Mark ___ an English lesson this afternoon.
  
  have
  has
  
  
• Paul ___ been waiting for you all day.
  
  have
  has
  
  
• I ___ been working late recently.
  
  have
  has
  
  
• ___ you seen Simon yet?
  
  has
  Have
  
  
• The girls ___ gone out.
  
  has
  have
  
  
• Mr. Smith ___ no children.
  
  has
  have
  
  
• ___ we got time for a coffee?
  
  Have
  Has
  
  
• My friend ___ a great job.
  
  has
  have
  
  
• Who ___ a pen I can borrow.
  
  have
  has