One of the most important questions they had to consider was__________ of public health
Sorry I’m late. I ______ have turned off the alarm clock and gone back to sleep again.
I’ve tried several times, but the car just _______.
--What will you do during winter vacation? --I don’t know, but it’s about time ____ something. A I’m deciding B I’ll decide C I’d decided D I decided
This cake is very sweet. You _____ a lot of sugar in it.
The World Wide Web is sometimes jokingly called the World Wide Wait because it ______ be very slow.