【单选题】
Mary’s score on the test is the highest in her class; she _____ have studied very hard.
【判断题】
You have four children. I have only two.此句中的基数词“two”后面可用替代词ones替代children.
【单选题】
We have reached an agreement we should invest in the Internet-related business.
【单选题】
We will not have the picnic unless more people sign ____ .
【判断题】
I have waited for two weeks impatiently and finally the order was cancelled.
【单选题】
These two areas are similar __________ they both have a high rainfall during this season.
【单选题】
Every time when I go back to my hometown, I usually spend two days ____ of my relatives.
【单选题】
We are confident that relations between ?North Korea and South Korea _______ through further?? efforts to reduce the long-term hostile ?attitudes.
【单选题】
— We have to stop talking here. Listen, _____!
—Hurry up, or we’ ll be late.
【单选题】
We’ve missed the last bus, I’m afraid we have no _______ but to take a taxi.