—The train is due to leave at 7:50.—________ we fail to arrive there in time?—I'm afraid you'd better go in a hurry.
#29963
A
What if
B
As if
C
Even if
D
Only if
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_____ I admit that all these problems are difficult, I don’t agree that they cannot be solved.
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The reason _______ he was late was ________he hardly knew the way to the meeting place.
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what that
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Although he was in poor health, Robert succeeded other more famous engineers failed.
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which
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