易错题I think AI ________ in many fields will ________ to help us solve many problems in the future.
A.used, be used B.is used, be used C.used, use D.is used, use
易错题Although we don't know what was discussed, we can feel the topic ________．
A.has changed B.was changed C.has been changed D.changed
We always use the Internet, but we don't know when it ________．
A.invented B.was invented C.will invent D.will be invented
The students of Class One ________ how to do the experiment in class yesterday.
A.taught B.were taught C.will teach D.will be taught
No matter how many difficulties we meet, I believe all the problems________ in the end.
A.can solve B.can be solved C.need solve D.need be solved
Nowadays, highspeed trains, mobile pay, shared bicycles and online shopping ________ the New Four Great Inventions in China.
A.call B.were called C.called D.are called
