1 . Medical staff have made great ______ to fighting the COVID-19.

A．connections

B．contributions

C．confirmations

D．conversations

2 . It’s important ________ us to keep the water clean.

A．of

B．for

C．with

D．from

3 . In order to ________ the daily life of the public, our government invest a large amount of money on the improvement of infrastructure projects each year.

A．facilitate

B．expand

C．clarify

D．emphasize

4 . “The mountain bike was a birthday_______ from my mother,” Tom said.

A．cake

B．card

C．party

D．gift

5 . Jane went to the cinema and her sister went_______

A．so

B．too

C．either

D．also

6 . Let the child _____the problem himself. That'll do them good.

A．settle

B．spend

C．save

D．sound

7 . He asked me to ______ him to the airport.

A．stretch

B．accompany

C．display

D．adopt

8 . Jack’s mom is very ________ with him about playing his smart phone in class, because it is against the regulations of the school.

A．delighted

B．pleased

C．annoyed

D．satisfied

9 . The book From the Soil provides ________ unique opportunity to learn more about Chinese society.

A．a

B．an

C．the

D．不填

10 . Since Mrs. Wang got angry today, I think Bob will see to it that he ________ in his report on time this time.

A．would hand

B．has handed

C．hands

D．will hand