---Excuse me, could you tell me _______?
---Sorry, sir. I wasn’t there at that time.
| A．how did the accident happen | B．how the accident happened |
| C．how does the accident happen | D．how the accident happens |
_____can work out the problems because _____of the problems is easy.
| A．None;no one | B．None;each | C．No one;none | D．Each;every |
I have to look after____and ____sister today.
| A．him;his | B．her;hers | C．his;him | D．hers;her |
The doctor gave me some medicine____my cough and told me to take it _____a day.
| A．of; twice | B．for;three | C．for;twice | D．to;twice |
Shanghai is bigger than ____city in Japan.
| A．any | B．any other | C．the other | D．other |
My uncle is really busy. He_____comes to our home these days.
| A．ever | B．hardly not | C．hardly ever | D．ever hardly |