—We are informed that the Weifang International Kite Festival starts at 7:00. —Oh, I didn’t expect it was so early! I ____ to go out for dinner with my friends first.
This watch is _____ to all the other watches on the market.
Arrogance and pride are similar in meaning, but there is _____ difference between them.
We made plans for a visit but _____ difficulties with the car prevented it.
He didn't _____ what I read because his mind was on something else.
. Scientists have to work hard to keep _____ with modern discoveries and developments.