﹣Where were Bill and David when the teacher came in？
﹣They in the hallway．（ ）
A．are talkingB．have talked
C．were talkingD．talk
More and more teenagers have poor eyesight， so parents and teachers should take actions the situation from getting worse．（ ）
A．stopB．stoppingC．stoppedD．to stop
This pair of trousers smooth because they are made of Chinese silk．（ ）
A．feelsB．feelC．is feltD．are felt
Andy practiced hardest among us and he won first prize in the competition．
A dream can't come true hard work．（ ）
A．byB．acrossC．overD．without
Song of Autumn by Liu Yuxi describes autumn in a different way．
I agree．Most poets（诗人） describe this season to a feeling of sadness， but in Liu′s eyes autumn is full of life and hope．（ ）
A．excuseB．expressC．expectD．explain
It's a idea to build cabin hospitls（方舱医院） to receive patients during the outbreak of COVID﹣19（新冠肺炎）．（ ）
A．cheerfulB．classicalC．creativeD．curious