问题

We’ll carry on the work ______ we can get the machines we needAfter all, it’s the determination that really counts
A:unless
B:before
C:whether
D:while
B:before
C:whether
D:while
正确答案是:
同类题型
i, where did you visit last week— I visited a big company __________ ships are made.
If I ______ five minutes, I will geteverything ready.
Yesterday afternoon, Lucy played _______basketball andLily played _______ the piano.
The box was too heavy for me to carry, I pulled it into my room.
what his parents think, he is leaving home for a new job in a big city.