英语语法提问4题1.i ______around the Oriental Pearl TV Tower last ye

英语语法提问4题
1.i ______around the Oriental Pearl TV Tower last year.
A)showed B)was showing C)would show D)was showed
2.it's _____to send an e-mail than a regular mail.
A)more quickly B)much quicker C)quick D)much more quickly
3.The girls are busy_____these days.
A)sing B)with sing C)singing D)to sing
4.The passengers______broad enjoy both food and drinks_____.
A)by...free B)by...for free C)on...for free D)on...free