He will call you when he in Beijing.
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
Could you please fix my phone?
Sorry. The shop next may be _______.( )
A.usefulB.helpfulC.carefulD.hopeful