There is no way for us to book ________apartment. —Thus we will have to make full use of what we have now.

Recently, employees at the Shanghai Metro’s Railway Station Stop have been busy learning dialects from other parts of the country, ___________ aims to provide better service to travelers from outside the city

Candy was shy in the past, so she took up singing to _________ her shyness.

The boy has such a big meal every day. ___________, he is getting fatter and fatter.

It _______ be Mr．Johnson who is in the office．— No, it _______ be him．I saw him off at the airport half an hour ago．