Modern science and technology has ______ communicationbetween people far apart.

Will you deliver, _____ do I have to come to the shop to collect the goods?

g the ______news, all the students looked ______ at their headmaster.

How long has your son __________ the ipad2 — Only about twoweeks.

ool held a respect-parent activity last month, ______ our students benefiteda lot.