—Who______ it be that is knocking at the door? —It ______ be Father, but I’m not sure.
By carefully questioning,they managed to the information they were looking for.
The boss refused our to leave work early.
I had no idea how to calm her down. At last her strong emotion found in loud crying.
Be wise! Don’t let yourself be into buying something you don’t need even at a low price.
It is because of its geographical position that typhoon is in Taiwan during summer.