Complete the sentences with correct past form of the verbs from activity 1, a. Mom, I
my English book. It was under my bed.
b. Our plane
Off two hours late because of the big rainstorm.
c. Grandma
apples.
to the supermarket yesterday to buy me some red
d. My cousin Jerry
to visit us last Christmas.
e. My aunt
birthday.
me the most delicious chocolate cake for my

faith or loyalty when pledged in a solemn agreement or undertaking.

the gas pressure p, gas volume v, and gas temperature t are given in the formula:   pv=nrt,

r is the gas constant, and n is the number of gas moles.

if the container is cooled and remains under atmospheric pressure, where r is a constant that does not change, the volume of the container remains the same, the conclusion is drawn that, with all other values ​​unchanged, the number of gas moles n, is decreases.

the right answer is a.