It’s clear__________ that a hard working student has___________ a great interest in science.
You have to wear a helmet and a life jacket for protection, just ___ you fall into the water.A. in case C. unless C. though D. as
Since we ____ for almost two weeks, I’ll need to buy a large backpack in advance to carry my supplies of food and water.
Below ____ an article about advertisements ____ by a student for her English project.
_____ an ad does not lie, it does not mean it is altogether innocent.
She set off at 9 a.m. and ____ the airport an hour later.