【推荐1】He was unaware of the trouble he was causing.

A．didn’t realize

B．was unhappy

C．didn’t care

【推荐2】I was not careful enough so I ________ some mistakes I made in the test.

A．was friendly to

B．was unaware of

C．was afraid of

【推荐1】Now we keep_________touch with each other by email.

A．at

B．on

C．in

D．of

【推荐2】Your age shouldn’t make any difference to whether you get the job or not.

A．keep in touch with

B．have any effect on

C．take responsibility for

【推荐3】— It was so surprising to meet him again! We haven’t seen each other for a long time.
— Have you exchanged your phone numbers to ______ with each other?

A．get on well with

B．catch up

C．keep in touch

D．come up

【推荐1】The Tokyo Olympics will be ________ because of the disease around the world.

A．put up

B．put off

C．put on

D．put away

【推荐2】I ________some books ________ Tony last week. And I will give them back next week.

A．lent; from

B．borrowed; to

C．borrowed; from

【推荐3】Dreaming of spreading Chinese culture, Annie ________ learning Chinese in this college.

A．looks forward to

B．keeps away from

C．makes up for