• 2021-04-14
    We are making good progress, but we must not____until we have achieved our objective.
  • let up

    内容

    • 0

      They opened a new store in our city, but not until last week _________. A: we visited B: we would visit C: did we visit D: have we visited

    • 1

      We got to work and succeeded, after a good deal of _____, in making our butter.

    • 2

      Before we go out driving for the weekend, we must have our car (check) _________ and serviced first.

    • 3

      We have been good friends ______ we joined the same ping-pong team. A: after B: since C: before D: until

    • 4

      Our first objective was to solve the problem of food and clothing, which we have now done.