1、【题目】__________ the convenience of digital payment, many senior citizens started to use smart phones.

选项：

A.Toenjoy

B.Enjoying

C.Tohaveenjoyed

D.Enjoy

答案：

A

解析：

暂无解析

1、【题目】Thefactthatsomanypeoplestillsmokeinpublicplace_______thatwemayneedantionwidecampaigntoraiseawarenessoftheriksofsmoking.

选项：

A.suggest

B.suggests

C.suggested

D.suggesting

答案：

解析：

1、【题目】Itwasneverclear_______themanhadn’treportedtheaccidentsooner

选项：

A.that

B.how

C.when

D.why

答案：

解析：

1、【题目】—Let's take a coffee break.

— __________ We' ve been working for hours.

选项：

A.Whybother?

B.Whatfor?

C.Yougotmethere

D.Yousaidit.

答案：

D

解析：

暂无解析

1、【题目】-----Tommyisplanningtobuyacar.

----Iknow.Bynextmonth,he__enoughforausedone

选项：

A.saves

B.saved

C..willsave

D.willhavesaved

答案：

解析：

1、【题目】Themusicianalongwithhisbandmembers___________tenperformancesinthelastthreemonths.

选项：

A.gives

B.hasgiven

C.havegiven

D.give

答案：

解析：

1、【题目】—Youlookupset.What’sthematter.

—Ihadmyproposal_______again.

选项：

A.turnedover

B.turnedon

C.turnedoff

D.turneddown

答案：

解析：

1、【题目】China's image is improving steadily, with more countries__________ its role in international affairs.

选项：

A.recognizing

B.beingrecognized

C.toberecognized

D.recognized

答案：

A

解析：

暂无解析

1、【题目】Theyaretryingtomakesurethat5Gterminals_________by2022fortheBeijingWinerOlympics.

选项：

A.willinstall

B.willhavebeeninstalled

C.areinstalled

D.havebeeninstalled

答案：

解析：