There (continues, continue) to be much research to add new elements.
Independent vs Subordinate ClauseIdiomsThird Conditional
Next quiz: Tenses
Choose the correct tense for the following sentence:
At midnight, we were still driving through the desert.
A. Past progressive
B. Present progressive
C. Future progressive
How to use : Read the question carefully, then select one of the answers button.
Tips : If this page always shows the same questions, make sure you correct the question first by pressing the "check answer" button.