.Not all the students sitting in the back row can see the words on the blackboard _________.
What color is an orange? It’s ______.
There is _____ “u” and _______ “s” in the word “us”.
Which phonetic transcription(音标) is different(不同的)from the other words?
I’m going to keep onhim. A、help B、helping C、to help
He always tries to face any when he met some things. A、danger, dangerous B、danger, danger C、dangerous, danger