срочно,помогите пожалуйста,40 баллов!!!

1.Open the brackets, using the correct form of the verb.
1. Mark ______________ (learn) Chinese for five months.
2. The people next door _________ (have) a party last night and I _______ (can/not) sleep.
3. When mum got home the children __________ (play) chess.
4. He __________ (wash) his car every week.
5. The train __________(already/arrive). We should hurry up.
6. Where is Sam? – He ________ (take) a shower.