Mark was a very _______________ worker, and remained busy with his tasks.

to develop; to make larger

I thought that the letter was _____________, and made no sense at all.

to take turns

My sister is very _______________ in that she is always there when I need her to lend a helping hand.

Mr. Brown dropped a large, or __________________ amount of money on the ground.

to make one's way; to get around

lacking meaning; stupid or foolish

to force obedience