put the verbs in brackets into the present perfect or the past simple.
1. he.........(buy) lots of clothes so far.
2. they................................(alraedy/finish) the car park.
3. when.......................................(they/put up) these signs?
4. they........................................(not/improve) the bus service yet.
5. she........................................(leave) for malta yesterday.
6. she........................................(not/put) out the rubbish bins yet.
7.we...........................................(never/travel) by train.
8.when.....................................(you/see) Ann last?
9...................................(she/call) yet?
10. it..............................(open) two weeks ago.