— The woman biologist stayed in Africa studying wild animals for 13 years before she returned. — Oh, dear ! She ______ a lot of difficulties !
________in a heavy traffic jam in a taxi while you are hurrying to the airport is quite an unpleasant experience.
—This morning your mobile phone was always busy. I couldn’t ________ to you until several attempts. —Oh, I’m sorry. I was discussing the price of our products with a client over the phone.
Many early Europeans, ________ the earth to be flat, feared that Columbus would fall off the edge of the earth.
With so many orphans ________,the charity organization calls for more donations.
I don’t think it is teachers who ________ for giving students too much pressure.