You may borrow the book （） you keep it clean.
A: such as
B: so as to
C: so long as
D: as for
A: such as
B: so as to
C: so long as
D: as for
举一反三
- You may borrow this dictionary ______ you keep it clean. A: as long as B: so far as C: in case D: even if
- You may borrow my book___________ you promise to keep it clean. A: so long as B: when C: because
- You may borrow the book ______ you keep it clean. A: when B: unless C: as long as D: after
- You may borrow the book ______ you keep it clean.
- You may borrow this book ________ you promise to give it back. A: in case B: so long as C: as if D: even if