At the meeting they discussed three different ________ to the study of mathematics.
—How’s your tour around the North Lake? Is it beautiful? —It __________ be, but it is now heavily polluted.
Beijing government puts more than 700 million yuan to increase its green space this year; ____________ doubles the money provided last year.
Though _____ in San Francisco, Dave Mitchell had always preferred to record the plain facts of small-town life.
— The scarf is nice, but the price is a little bit high. — _______, but if you want good quality, you have to pay more.
One of the characteristics that make me different from many people is my adaptability—I'm _______ and comfortable in new or unusual situations.