现在进行时的构成与用法 — 英语词汇题
题目
用所给动词的适当形式补全句子,注意现在进行时的正确构成。
1. Listen! The birds __________ (sing) in the tree.
2. — What is your brother doing?
— He __________ (swim) in the pool.
3. My parents __________ (not watch) TV now; they __________ (cook) in the kitchen.