1Talesoftheunexplained一、用所给单词的正确形式填空1
Ourheadmastergavea________(convince)speechtopersuadestudentstodonatesomemoneyforthedisasterarea
Itissaidthathumanbeingscameinto(exist)aboutmillionsofyearsago
Theworldweliveinisfullof_____________(explain)mysteries
Theeconomyofthatareaisdevelopingatan_________(amaze)speed5
The____________(disappear)oftheboymadethewholefamilyunhappy
Theproblemseemedvery________(puzzle)
Fewstudentscouldworkitout
Heistheonly________ofhisfamilywho________thetraincrash
(survive)8
Ourfriendshiphassteadily________(strength)overtheyears
Itwas________thattherewasn'tenough________toprovehisguilty
(evident)10
Asshesaid:“Doyouhavetobeamemberofthat____________(organize)
二、根据句意和汉语或首字母提示写出所缺单词的完全形式1
Asanoldteacherhehas__________(见证)thegreatchangesthathavetakenplac