用所给动词的适当形式填空。 |
1. She's a cabin steward for Air China and she ______ (fly) all over the world. 2. My grandparents always eat Chinese food, they ______ never ______ (have) a west food. 3. How many English words ______ you ______ (learn)? 4. I______ never______ (speak) to a foreigner. 5. —______Tom______ (return) the library book? —Yes, he has. —When ______he______ (return) it? —Half an hour ago. |