[A]that[B]when[C]who[D] which
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[A]bottle [B]cup [C]jar [D]bell
Pay foot ball than play basket ball.[A]would rather[B]had better[C]prefer
It is difficult to send people to other planets because of__________.[A]the lack of capacity of space exploration vehicles[B]the financial expenditure involved in space travel[C]controversial nature of space travel[D]the uncertain future of space exploration
——Isn't that Ann's husband over there?——No, it __________ be him——I'm sure he doesn't wearglasses.[A]can't [B]must not[C]won't [D]may not