【推荐1】Do you know who ________ the first computer?

A．found

B．found out

C．discovered

D．invented

【推荐2】—How often should I water the flowers?
—Once a week. They don’t ________ too much water.

A．discover

B．spread

C．require

【推荐3】In the process(过程) of saving the sharks, environmental protection groups have ________ many difficulties.

A．discovered

B．admired

C．exchanged

D．overcome

【推荐1】Which of the underlined（画线）letters has a different sound from the other three?

A．clever	B．desk
C．enjoy	D．everyone

【推荐2】This term I _______ to improve my writing skills.

A．enjoy

B．need

C．how

D．whether

【推荐3】—Because of the COVID-19, many doctors have to wear special clothes to look after sick people and ________ themselves at the same time.
—Yes, they are our heroes.

A．keep

B．protect

C．enjoy

D．hurt

【推荐1】—Why did you wear a helmet?
—In ________ of an accident, it can keep me safe.

A．injury

B．fear

C．difficulty

D．case

【推荐2】—Are you ________of the dark?
— Yes, so I always go to sleep with my bedroom lights ________.

A．worry; on

B．terrify; off

C．fear; off

D．afraid; on

【推荐3】—I’m afraid of the coming speech competition. What should I do?
—If you can get over your ________ about it, you’ll succeed.

A．order

B．mind

C．sign

D．fear

【推荐1】As the world’s pollution grows, the ________ of environment becomes really important.

A．plan

B．value

C．sense

D．fact

【推荐2】—I ________ why your English is so good.
—Well, I often watch English movies.

A．plan

B．mind

C．wonder

【推荐3】—Hi, Frank. Can you tell me what to do when we are on the way to school?
—Well, we must follow the traffic ________.

A．rules

B．plans

C．suggestions

D．orders