Young________hewas,hemanagedtomakealivingonhisown.
A、although
B、since
C、though
D、thus
Childrenhaveanatural________abouttheworldaroundthem.
A、certainty
B、capability
C、cleverness
D、curiosity
Whichofthefollowingispartiallyconverted?
A、Awhite
B、Adrunk
C、Thepoor
D、Finals
WhichofthefollowingisNOToneofthemainsourcesofnewwordsinthepresent-dayEnglishvocabulary?
A、Therapiddevelopmentofmodernscienceandtechnology
B、Social,economicandpoliticalchanges
C、Theinvasionofforeigncountries
D、Theinfluenceofotherculturesandlanguages
Theprofessorworkedfor7hoursata________.
A、stretch
B、extend
C、expand
D、prolong