Smiling doesn’t mean you’re happy Sometimes, it just means that you’re strong enough to face problems

Some of you may have finished unit one. _____, you can go on to unit two. [ ]

Mark needs to learn Chinese________his company is opening a branch in Beijing.

It’s 5 kilometres __________ from my home to my school.

When did you come back last night?—It was not until 11 o’clock ________ the party ended.