_______ you know English is one of the important courses at university, you have to work hard at it.( )
A: Because
B: As
C: Since
D: For
A: Because
B: As
C: Since
D: For
举一反三
- Work hard, ______you will have a bright future. A: and B: or C: since
- Work hard,______you will have a bright future. A: and B: or C: since D: but
- Work hard, ____ you will<br/>have a bright future. A: and B: or C: since
- Work hard, _____ you'll pass the English exam this time. A: or B: but C: because D: and
- It is _____ that you will lose the present job if you don’t work hard at it. A: Necessary B: Important C: Available D: probable