Focus 4 unit 1.4

having a humble opinion of oneself; not excessively proud or confident

• modest

• brainstorm

• consciousness

She had to ​ _____ her brains to solve the math problem but finally got it right.

• rack
• made
• be

In the shower, she suddenly ​ ____ ________ ​​ that would help her simplify her work process.​

to generate ideas through a group discussion or individual thinking session

• have sth on the brain

• sharpen a skill

• brainstorm

I decided to _____ my writing skills by taking a daily writing challenge.

Despite her great achievements, she remained _____ and humble.

to be the person who plans, designs, or organizes something important

• have a brainwave

• have sth on the brain

• be the brains behind sth

to think very hard in order to remember something or solve a problem

• rack your brains

• be the brains behind sth

• brainstorm

Hikers _____​ him _______on the side of the mountain after being lost for days.

After hours of __________, the team came up with a revolutionary new product idea.