Excuse me, Madam but is this the way to the town center? I am afraid I ______ the right direction.-Keep on walking and you can’t miss it. [ ]

Despite their good service, most inns are less costly than hotels of _____ standards.

English became the official language for business _______ the fact that the population was largely Chinese.

Is that kate’s brother—Yes, he’s only five years old, ______ he knows a lot about science!

In China ______ graduates go abroad to have afurther study every year ．