If you are not familiar_____ the operation of this machine, please ask our assistant for help.

A. for
B. on
C. in
D. with

No matter what business you run, get prepared ____ the chanllenges of IoT.

A. for
B. to
C. on
D. under

We believe that 5G will have a strong impact ____ marketing and advertising.

A. in
B. with
C. on
D. about

It is often said that you can never be ____ young to start volunteer work.

A. so
B. too
C. very
D. such

Some experts believe that the race for the Internet of Things is similar ____ the early history of Windows and Android.

A. for
B. in
C. with
D. to

The job market for college graduates is improving (slow)______, according to a recent report.

The company has created 3D printed parts that are (strong) ______ than ever before.

(Fortunate)________, they obtained a small business loan from a local bank.

１、部屋に椅子（）ベッドなどがあります。２、授業は午後4時（）5時半（）です。３、日曜日は広州（）行きます。４、朝はいつもパン（）食べます。５、あなたのカバンはどれです（）。６、私（）大学生です。兄（）大学生です。７、私の部屋は二階（）あります。８、お父さん（）お母さんは会社員ですか。