21.當(dāng)外星人出來時,女孩正在購物.The girl was shopping when the alien ______ ____.
22.他站在同學(xué)們前面.He is standing _____ ________ _____ his class.
23.當(dāng)飛機(jī)起飛時,你在做什么?When the plane ________ ________,what were you doing?
24.喝杯咖啡怎么樣?________ _________ drinking a cup of coffee?
25.首先,你應(yīng)該說對不起._______ _____ _____,you should say you’re sorry.
26.他說他對湯姆很生氣.He said he _______ _______ ______ Tom.
27.我告訴她我將在第二天去公園.
I told her I __________ go to the park ______ _______ ________.
28.他說他擅長口語.He said he _______ _______ ______ speaking.
29.當(dāng)我長大后,我將環(huán)游世界.
When I ________ _______,I will ________ _________ ________ __________.
30.高中畢業(yè)后,我想上大學(xué).I want to _______ _______ __________ after I leave high school.