Look at that girl. She is ___________ （跳舞）on the playground.
该句的含义为看那个女孩，她正在操场上跳舞。根据 Look at that girl.看那个女孩。可知道这是现在进行时态，现在进行时态的句型结构是主语 + be + 动词的现在分词，跳舞的英文是 dance，其现在分词是 dancing，故答案为 dancing。
2018年12月，张阿姨把4000元的存入银行，定期三年，年利率是2.75%到期后，应得利息______元.
Look at that girl. She is ___________ （跳舞）on the playground.
Amy will visit the ___________ （科学） museum in Beijing this holiday.
There is a supermarket ___________ （在……中间） the bookstore and the cinema
The mice are ___________ （害怕）of the cat.
It's 9 p.m. They _______ now. They often go to bed at 10 p.m. ( )
—What did Sarah _______ yesterday morning? ( ) —She _______ to the park for a picnic.
Tom often _______ his room on the weekend. ( )
—When are you going to Hong Kong? ( ) —I'm going _______.
—Mum, my dog is so cute. ( ) —My dear, it's not only _______ dog. It's also _______.
