8433 - Mixed Tenses (Page 120) Test:7 - The pupils ___ the sentences yet, the teacher ___ the blackboard.

The pupils ___ the sentences yet, the teacher ___ the blackboard.
are not writing / clean
had not written / had cleaned
has not written / will clean
had not written / cleaned
did not write / cleans
Table of English Grammar Contents (All Levels)
Elementary Grammar Exercises A1
Intermediate Grammar Exercises
Pre-Intermediate Grammar Exercises