Click the correct answer.
They ____ conduct experiments in the common science lab before the physics lab was constructed.
don't have to
used to
need to
You ____ worry about the grades. If you have studied well, you will definitely be rewarded.
have to
dare to
don't have to
Click the correct answer.
Drag the correct auxiliary verb and drop it in the blank.
I
play basketball when I was in school.
have to
used to
need
dare
Drag the correct auxiliary verb and drop it in the blank.
they play more since they have already won the series?
Have to
Used to
Need
Dare
Drag the correct auxiliary verb and drop it in the blank.
Will the workers
to raise their voice against the manager?
have to
used to
need
dare
Drag the correct auxiliary verb and drop it in the blank.
Do we
finish the work before Saturday?
have to
used to
need
dare
