4. Open the brackets using Present Simple/ Present Continuous/ Present Perfect or Present Perfect Continuous

 1 How long __________(Tom/ work) here? – He ____________(be) at this office for 5 years.

 2 ___________(Ann/know) how to swim? – No, but she ________(learn) to now.

 3 They _______(think) to go to the cinema. – I _________(not/think) it’s a good idea.

 4 ___________(you/read) this book yet? – No, I __________(read) it now.