,回答是“Balloons.” 分析各选项: - **A. have filled with**:句子结构重复。题目已用“have you”,选项中再出现“have”会导致“have you have filled”,语法错误。 - **B. had filled with**:正确。“have had filled”为现在完成时的复合结构,表示“让某物被填充”。问句意为“你让什么东西被填充...
The bag was filled with hot air and lifted up. So they made a huge bal-loon and filled it with hot air. The first test flight had no crew(机组人员). A duck and a sheep rode in a balloon. The a nimals came back safely. After that, people went up.Soon people used balloons in ...
As the room flooded with light, Sally's eyes widened in surprise and disbelief. The classroom was decorated with balloons and streamers, a beautiful cake sat on the teacher's desk, and in the corner, a pile of pre...
What are spy balloons? The devices are lightweight balloons, filled with gas, usually helium, and attached to a piece of spying equipment such as a long-range camera. They can be launched from the ground and are sent up into the air where they can reach heigh...
()4.There were many filled balloons in the cafeteria. (×)5.All the employees attending the team building event had two chances to blow up a balloon. If the balloon blasted twice, they failed. ()6.In 34、 the second round, the employees only focused on finding out their own balloons,...
to have filled 2 ---What have you ___ hydrogen, Mary?---Balloons. A. have filled with B. had filled with C. had filled of D. to have filled 35.-What have you hydrogen,Mary?-Balloons. A.have filled with B.had filled with C.had filled of D.to have filled 45. -What hav...
The blank should be filled with "balloons". The complete sentence is: What colour are your balloons? They're red. 1. 句子结构: 这是一个询问颜色的疑问句,句子结构完整,缺少的是表示复数名词的词语。 2. 答句: 答句“They're red.” 中的“They” 指代的是复数名词。 3. balloon: balloon ...
What caused the Hindenburg disaster? What is the Titanic? What is the history of hot air balloons? What is Luftwaffe? What was the Reichstag fire? What was Birkenau? What gas was used in the Holocaust gas chambers? What is the history of the Titanic?
Decorative helium balloons, unlike those filled with simple air, float and make interesting, festive decorations. On the other hand, helium balloons can also be expensive, and if they're only used for a short time this can lead to a low return on investment. Putting half air and half heliu...
Balloons filled with helium. With In spite of With all her experience, she could not get a job. With In the same direction as Sail with the wind. Flow with the river. With At the same time as Gets up with the birds. With In regard to We are pleased with her decision. They are ...