There are five pairs, but I'm at a loss which _____ to buy.
| A．to be chosen | B．to choose from | C．to choose | D．for choosing |
The firemen arrived ___ the fire broke out.
| A．soon after | B．before long | C．long before | D．after soon |
This is the second letter that he has ___ him recently.
| A．heard from | B．received from | C．heard of | D．got |
___ put the soup left ___ the fridge.
| A．Do… into | B．Don't …in | C．Not…into | D．Don’t you..in |
Lots of people ___ in that flood.
| A．are killed | B．lost their lives | C．dies of | D．dies from |
His mother was in hospital. He asked for ___ to look after his mother.
| A．three-day’s sick leave | B．three day’s sick leave |
| C．three days’ sick leave | D．three-days’ sick leave |