—Excuse me, where is Mr Brown’s office?—Sorry, I don’t know. I ______ here for only a few days.
We will spend our winter holiday in Shanghai, but we haven’t decided _______.
David visited lots of ________ in the world.
--________ has your grandpa lived here? – Since last year.
I ________ a book two days ago. I ________ it for two days.
The English test is difficult ________ interesting.