Heborrowedabooktheotherday，theauthor____isaworker.
of which
暂无解析
Lastnighthesawtwodark_____enterthebuilding,andthentherewastheexplosion.
Hebuiltatelescope____hecouldstudytheskiesinhisfreetime.
Togetthejobstarted,____Ineedisyourpermission.
Theday____(在那天我第一次遇见他)wasthefirstofMayontheGreatWall.
Whoistheman____(你刚才在操场和他握手)?
