----Why are you crying, Jim ? ---- Because my mother slapped me the face.A. on B. in C. to
---With 4G mobile phones, people can even see each other as they talk. ---Really? Would you show me it, please?
---He’s never been late for school, _________ he? ---_________. He always comes on time.
Some people won’t _______ the importance of their health until they lose it.
The police _________ the whole house but didn’t find any clues.
--- When_________ your English teacher _________ his hometown? --- He_________ for nearly two months.