She ___ be German because she's got a German passport.
must
Somebody called before. lt (be) Jack, but I didn't recognise the voice.
might/may/could have been
If I (pass) my driving test, my parents would have bought me a car.
had passed
The __ is the US dollar ($).
currency
There are no clouds at all. It's (doubt) that it'll rain today.
doubtful
Sarah ____ be Toby's sister because she looks totally different.
can’t
You (see) Mike yesterday because he wasn't here.
can’t/couldn't have seen
They (buy) her a present if they had known she was getting married.
would have bought
Washington DC is the ___ ____.
capital city
He's a very (care) writer. He makes lots of mistakes.
careless
I don't know him. He ___ be nice.
may, might, could
It (rain) last night because the roads are wet this morning.
must have rained
If her goldfish (die), she would have been really sad.
had died
The ___ is called the 'stars and stripes'.
flag
It isn't very (sense) to go out in the rain without a coat.
sensible
That ____ be my notebook because it's red and mine's yellow.
can’t
It (snow) last night because it isn't cold enough for snow.
can’t have snowed
If the sun (shine) yesterday, we (go out).
had shone / would have gone
A/An ____ ____ of the US is an eagle.
national symbol/national emblem
You have to follow (science) procedures when you work in a laboratory.
scientific
They ___ like cats, they've got ten!
must
Somebody broke a window. Josh (do), but I can't be sure.
might/may/could have done
She (send) him an email if she (know) his address.
would have sent / had known
The ___ ___ begins 'Oh say, can you see, by the dawn's early light'.
national anthem
He disappeared. It was very (mystery).
mysterious