Question

I’ll go to visit my aunt in England _____ the summer holidays start..

A．while

B．since.

C．until

D．as soon as

Answer 1

D

while然而，当……时；since由于，自从……以来；until直到；as soon as一……就……。句意：暑假一开始，我就要去英国拜访我的姑姑。结合语境可知选D。