—This physics problem is too difficult. Can you show me _____, Wang Li?—Sure.A.what to work it outB.how to work it outC.how to work out it
Do you know ______________ last Sunday?
I’ve asked him __________ us for dinner, but he said he was quite busy.
— __________ did you pay for it? — $10.
— When should I ask her? — The sooner ___________.
Terry told me that they planned to set off _________ Tuesday morning.