新概念英语教师用书第1册第66课:几点钟?

T：Look at the 1st clock. When must you come home?
S：I must come home at one o'clock.
T：Look at The 2nd clock. When must she go to the library?
S：She must go to the library at a quarter past one.
T：Look at The 12th clock. When must you and Tom see the dentist?
S：We must see the dentist at a quarter to four.
T：Now you do the same.
T：Look at the 1st clock. When must you come home?
S：I must come home at one o'clock.
T：Look at The 2nd clock. When must she go to the library?
S：She must go to the library at a quarter past one.
T：Look at The 12th clock. When must you and Tom see the dentist?
S：We must see the dentist at a quarter to four.
T：Look at The 5th clock. When must you type this letter?
S：I must type this letter at two o'clock.
T：Look at The 3rd clock. When must Sam and Penny see the boss?
S：They must see the boss at half past one.
T：Look at The 10th clock. When must George take his medicine?
S：He must take his medicine at a quarter past
T：Look at The 7th clock. When must Sophie drive to London?
S：She must drive to London at half past two.
T：Look at The 11th clock. When must I catch the bus?
S：You must catch the bus at half past three.
T：Look at The 9th clock. When must you arrive there?
S：I must arrive there at three o'clock.
T：Look at The 6th clock. When must they come home?
S：They must come home at a quarter past two.
T：Look at The 4th clock. When must you meet Tom?
S：I must meet Tom at a quarter to two.
T：Look at The 8th clock . When must he telephone you?
S：He must telephone me at a quarter to three.

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