Have to

She has gone to the shop because --- ––– –– ––– milk. (buy)

When in class --- --- -- -- quiet. (be)

It's my Mum's birthday on Saturday so - ---- -- --- a present. (buy)

My room is a mess so - ---- -- ----- it. (clean)

There will be a lot of food at the party so ---- ----- ---- -- ----- any. (not bring)

They have ordered Pizza so ---- ----- ---- -- ---- dinner. (not make)

She has a concert tomorrow so --- --- -- ------- the guitar. (practice)

The plates are dirty so --- --- -- ---- --. (wash up)

He has exams next week so -- --- -- -----. (study)

They are losing the match so -- --- -- ----- the penalty. (score)