Natural disasters are happening more frequently than before; the whole world should work together to respond.
I had to ______ because someone else wanted to use the phone.
“Have great changes taken place in your village?” “Yes, A new school was ______ in the village last year.”
If the new arrangement doesn’t _____, we’ll go back to the old one.
All the girls swam in the lake except two, who _____ halfway.
—Did you reach the top of the mountain? —Yes. Even I myself didn’t believe I could______ it.