Mum， I play football this afternoon？
Sure，but you finish your homework first．（ ）
| A． |
may； could |
B． |
can； must |
| C． |
can； mustn't |
D． |
may； can't |
What do you think of the sofa？
Not bad，but it may _________ too much space of our living room．（ ）
A．take upB．put upC．open upD．make up
Mom does all the housework so that Sarah can take the time _______ her words on paper．（ ）
A．putB．puttingC．to putD．puts
You have a nice car．
Thank you．I __________ it for less than one month．（ ）
A．boughtB．have bought
C．hadD．have had
My grandpa knows the history and medical _______ of many plants．（ ）
A．wealthB．priceC．valueD．cost
I went from a school desk to a ship in my teens．
_____________days would you be at sea？Homesick？（ ）
A．How longB．How manyC．How muchD．How soon