______ both sides accept these terms will everlasting peace be established in this region.
A. Unless B. As long as C. If only D. Only if
I’ve already told you that I’m going to buy it, ________．
A．how much does it cost B．no matter how it costs
C．however does it cost much D．however much it costs
The manager discussed the plan that they would like to see ______ the next year.
A. carry out B. carrying out C. carried out D. to carry out
Gun control is a subject ______Americans have argued for a long time.
A. of which B. with which C. about which D. into which
The astronauts found that ______ the spaceship went further and further into space, it became more and more difficult to control its own movements.
A. if B. till C. as D. while
You shouldn’t talk until ________ to.
A. asking B. having asked C. to ask D. asked
