________, you must continue. A: Once you begin B: When you begin C: Once you will begin D: While you begin
________, you must continue. A: Once you begin B: When you begin C: Once you will begin D: While you begin
Once you ________ your appointment, you need to make it on time.
Once you ________ your appointment, you need to make it on time.
Once you choose a career you should be stuck in it forever.
Once you choose a career you should be stuck in it forever.
Once you get to know your mistakes, you should______them as soon as possible.
Once you get to know your mistakes, you should______them as soon as possible.
Once you leave the baggage claim/customs area you may not re-enter.
Once you leave the baggage claim/customs area you may not re-enter.
中国大学MOOC: Once you choose a career you should be stuck in it forever.
中国大学MOOC: Once you choose a career you should be stuck in it forever.
You are ready to start online learning once you feel confident about your ____________.
You are ready to start online learning once you feel confident about your ____________.
______ you lose your confidence, you lose everything. A: Once B: If C: Until
______ you lose your confidence, you lose everything. A: Once B: If C: Until
Once you purchased your ticket at the airport, you may go aboard the plane.
Once you purchased your ticket at the airport, you may go aboard the plane.
____ met, it won't be easily forgotten. A: If only B: When if C: Once D: Once you were
____ met, it won't be easily forgotten. A: If only B: When if C: Once D: Once you were