单选题27. It was on a lonely island ______ he was saved one month after the boat went down.
单选题 Tired ______ she was
单选题7. Success in the lab doesn't always mean immediate success on a large ______.
单选题16. All the while he was terrified by the fear ______ he had cancer of the stomach.
单选题 We thought of selling this old furniture
单选题 In some cases
单选题22. I have no choice but ______ his invitation.
单选题22. It's not easy to keep in touch ______ friends when they are far away.
单选题24. There's no doubt that your achievement ______ your hard work.
单选题17. He is studying diligently ______ he should fall behind.
单选题 I don't like him because he always
单选题16. Only in this way ______ make improvements in the operating system.
单选题7. The government is believed ______ passing a law making it a crime to import any kind of weapon.
单选题13. Exercise helps them to grow ______ and ______.
单选题52. The spy finally got ______ necessary for his government after a long stay here.
单选题24. The ______ of blood always makes him feel sick.
单选题50. All I can do now is nothing ______.
单选题12. Mary changed her dollars for the ______ amount of pounds.
单选题32. She grabbed me ______ and pulled me out of the taxi.
单选题 At this time next week