Question

We ____ when the teacher entered our class.

a. stand up
b. were standing up
c. will be standing up
d. stood up
​

Answer 1

Answer: D. stood up

This is correct grammar use of the sentence.

Answer 2

We stood up when the teacher entered our class.

• Here, The given sentence is in past tense so, for the verb also we will use the past form..
• The past form of stand is stood.
• Hence, Making our answer totally correct!!~