Fill in the blank with “for” or “since”. The house is very dirty. We haven’t cleaned it ...................... years.

Complete the sentences with and, so, but or because. He liked her ...............she was happy.

Rewrite the following sentence without changing their meaning. This is the first time he went abroad. -> He hasn’t ................

Rewrite the sentences. It’s long time since we became close friend. ->We have ..................

Make questions for the underlined words. Hi-tech robots might look after children.

Complete the following sentences with the verbs in the present perfect. not see take visit win read not study She .............. the USA three times...