English grammar exercise on-line for elementary level students for the main verbs. Complete the sentences.
Eg. I don't smoke (not / smoke).
1) They _______________ (not / study) German.
2) The shops _______________ (close) at 07 p.m.
3) My girlfriend _______________ (dance) hip-hop.
4) His father _______________ (not / like) tea.
5) We _______________ (play) tennis in the afternoon.