(2019北京)—Tom, what's your dad doing?
—He________ my bike.
A.repairs B.will repair C.has repaired D.is repairing
初高中衔接题We didn't drive the car to the countryside because the main road ________ at that time.
A.is being repaired B.was repairing C.was being repaired D.is repaired
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
