The train didn't arrive on time because of the heavy storm，_________the passengers had to wait at the station．（ ）
| A． |
or |
B． |
so |
C． |
for |
D． |
but |
Have you finished your report on green life？
Not yet．I'll make it if I ______ another two days．（ ）
A．giveB．am given
C．will giveD．will be given
"right"and"write"sound the same，______ they do not mean the same thing．（ ）
A．butB．ifC．soD．or
Dad，I got hired as a bus driver．
Congratulations!Make yourself ______ so that the company won't want to lose you．（ ）
A．fashionableB．valuable
C．changeableD．possible
Did you see a man in black pass by just now？
No，sir．I ______ my car．（ ）
A．washB．washed
C．am washingD．was washing
I hear you have a home robot．
Yes，it's amazing．It ______ do all my housework．（ ）
A．mustB．shouldC．couldD．can