选词填空，并注意词形变化。 unfamiliar, proper, use, f

问题填空题

选词填空，并注意词形变化。

unfamiliar, proper, use, form, crowd, whose,
suppose, arrive, improve, behave

1. This is _____ by using the first letter of each word in the phrase.
2. It's created by _____ letters and symbols or numbers.
3. You're _____ to type quickly.
4. A lot of e-mail English words might look _____to us.
5. It's important to use it only at the _____ time.
6. _____ e-mail English do you prefer?
7. I was a bit nervous before I _____ here.
8. How quickly my French has _____!
9. My biggest challenge is learning how to _____ at the dinner table.
10. Questions _____ my mind.

答案

1. formed 2. using 3. supposed 4. unfamiliar 5. proper

6. Whose 7. arrived 8. improved 9. behave 10. crowded