They managed to ___ all the best performers.
A: sign
B: sign up
C: sign up for
D: enter for
A: sign
B: sign up
C: sign up for
D: enter for
举一反三
- Mary______ as an office receptionist with China Airlines. A: sign in B: sign to C: sign up D: sign at
- sign up
- ____(病毒式营销) is a marketing tactic. With it, you want people who sign up to your site to import and send an invite to all of their contacts. Then you want to get a percentage of those to click and sign up, and then import their contacts.
- _____________ sign up for it? A: Why not to B: Why to not C: Why not
- Another man puts up a sign on the board.