The old man has two sons, __________ lives with him, so he has always felt lonely since his wife’s death.
I suggest not only _______to the meeting but also give a speech there.
In the north of our town________, which dates back to the Ming Dynasty.
The laptop computer was here a moment ago, but I can’t put my hands ___it now.
I really like this song as it is often heard _________everywhere in China.
_______, the disease will produce a kind of poison that will kill the patient.