Make marks _______ you have questions.
Yemeni President signed a deal under which he will step down after 33 years in and 10 months of protests against his rule.
---- If I don’t get some money from my parents by Friday, could I borrow some from you?---- ________. But can I know why?
---- I have taken someone else’s T-shirt by mistake. Is it Jane’s? ---- It _______ be hers. She seldom wears red.
In April, thousands of holidaymakers remained ________ abroad due to the volcanic ash cloud.
The project is based on an agreement, one of ________ purposes is to ensure that the project can be accomplished before the deadline.