The couple __________about 1990, but happily they reunited on the Valentine’s day.A. broke up B broke down C. broke out D. broke into
You may keep the book for one more week_____ no one else needs it.
Unfortunately, their car _____ in the mud after the heavy rain.
We can’t ____ the punctual arrival of trains in foggy weather.
This test ____ a number of multiple-choice questions.
He soon made _____ clear why he had asked for a conference.