Youcan’twatchTV________youfinishyourhomework.
A: efore
B: if
C: while
D: as
A: efore
B: if
C: while
D: as
举一反三
- ___________youfinishyourhomework,youcan’twatchTV.（） A: If B: Therefore C: However D: Unless
- ()youcan’tanswerthisquestion,wehavetoasksomeoneelseforhelp. A: Although B: While C: Whether D: Since
- The car was stolen _____ parked in the street. A: while B: efore C: until D: as
- Let's telephone him _____ we go to his home. A: while B: afte C: efore D: when
- He likes pop music, ________ I am fond of folk music. A: while B: until C: when D: efore