Sam managed to keep in________contact with his family while he was working in New Zealand.

do you think of the Huawei P7—Terrific, I would buy one if I ______ an iPhone 6 Plus last year.

_______I take some photos in the hall –Sorry, you_______.

Mary sings ，but her sister sings much .

I was late for school this morning, because the buswas too _________ for me to get on.