You look pale today， Madam! What's the matter with you？
___________ serious． Just a cold．（ ）
A．SomethingB．AnythingC．NothingD．Everything
Li Hua's parents hold different opinions on whether they should have _______ child．（ ）
A．anotherB．otherC．othersD．the other
Milk quickly goes bad _______ it is put into the fridge．（ ）
A．ifB．unlessC．whetherD．until
Father _______ goes to the gym with me although he dislikes going there．（ ）
A．neverB．hardlyC．seldomD．sometimes
New media， like WeChat， _______ the way of communications nowadays．（ ）
A．are changingB．will change
C．changedD．were changing
If you want to be on the school football team， you _______ train harder．（ ）
A．canB．willC．mayD．must