The international situation is quite _______ at present. Any move towards a country’s own interest may cause immediate conflicts.

Why is she so sad— She regrets ______ the same dress as her sister’s.

Are you going to Beijing for the summer holiday next week— Yes. But I haven’t got the air tickets and don’t know we will set out.

How do you ______ the park —I______ a bus.

The English teacher told us this morning that we _____ an exam at the end of this month.