B2. 21-23

An [...] is a person that goes into outer space. → The [...] was walking on the moon. phi hành gia

• astronaut
• contest
• alike
• journalist

When you are [...], you are not asleep. → Sometimes I lay [...] in bed because I am not tired. thức dậy. ;(nghĩa bóng) thức tỉnh

• awake
• distinguish
• dust
• stable

When you have [...], you are not afraid. → The man had the [...] to touch the lion. sự can đảm, dũng khí

• courage
• architecture
• excitement
• journalist

To [...] is to move on top of water without sinking. → The boy's toy boat [...]ed in the pool. nổi, trôi lềnh bềnh

• float
• manner
• participate
• qualify

To [...] something is to allow someone to have it. → The teacher [...]ed us a break after studying hard all day. cho, ban (ơn), cấp

• grant
• courage
• mineral
• arrest

[...] is the force that makes things fall to Earth. → There is no [...] in space. trọng lực; trọng lượng

• gravity
• skip
• miner
• tissue

A [...] is a beautiful stone that is worth a lot of money. → A diamond is one of the most expensive [...]s in the world. đá quý

• jewel
• rob
• arrest
• mount

A [...] is a person who works in a mine. → The [...] was looking for gold. thợ mỏ

• miner
• underground
• artificial
• architecture

A [...] is a type of substance found in the Earth. → Rocks are made up of different kinds of [...]s. khoáng vật, khoáng sản

• mineral
• yard
• stretch
• bucket

To [...] is to take part in something. → The students [...]d in the school play. tham gia, cùng góp phần

• participate
• qualify
• miner
• architecture