The students _______ the professor their full attention whil...

Questões de assuntos semelhantes

• A palavra que substitui corretamente a lacuna [PARTICLE] é
• Analyze the following statements about the sentence “In the early-twentieth century music was sometimes broadcast in factories to increase...
• Choose the alternative that best completes the blanks in the text, following 1 to 4 order.
• Complete sentenças usando must, mustn’t ou needn’t: Mary gave me a letter to post. I ___ remember to post it. There’s plenty of time for you to...
• Which sentence correctly uses a modal verb to express a lack of obligation?