大家好，新年快乐，想请问2题
1.The entire department will have to work ________ because of the
previous setback.
(A)all harder (B)for the harder (C)for harder (D)all the harder
请问这题是考比较级吗? 答案是(D) 想知道原因 感恩
2.I can't find my wallet anywhere. I guess I _______ it in the restaurant.
(A) may leave (B) should have left (C)ought to leave (D)could have left
答案是(D) 请问选D的原因是什么?
3.In many ways cyber game players think and act differently,_________,
from others who do not play online games.
(A) as they are (B) as what is (C)as it were (D)as those were
答案(C) 求解 谢谢!