Is there anything I can do for you?—There seems to have been a technical problem—______，that’s what they told me

Nowthe government is taking measures to encourage and help ______ peasants to workand live in ______ town.

Lily had left ______ the time we arrived.

On hearing the news, the president _____his visit to Australia and returned home immediately. [ ]

The teaching building of our school_____for many times.