问题

Some of the students are nearsighted______they spend too much time watching TV or playing online games.

A:when
B:though
C:because
D:unless ;

正确答案是：

同类题型

naging director took the ________ for the accident, although it wasn’t really his fault.

How much is the T-shirt ___________—65 dollars

Difficulties always go with me!—Cheer up! If God closes a door in front of you, there ______be a window opened for you.

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Only after his friend came _______.