be able to do, be able to finish

cannot completely... (because it's excessive)

Same as above.

an Internet cafe

Internet access

Internet of Things

(grammar) conjunctive particle (abbr. 接助)

(idiomatic) A piece of cake; an extremely simple thing, something trivial, a cinch, easy as pie.

朝飯前: A piece of cake; an extremely simple thing.

(telephony) a common Japanese telephone greeting: hello; used when answering the telephone / used to confirm that the person being addressed is listening, or to confirm if anyone is listening