It’s certainly been a long time ________

 It’s certainly been a long time _________ we met last time.

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that

before

until

since

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___________ Middle School ,my sister Wang Wei and I have dreamed about ________a great bike trip.

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as if ; take

even though ; to take

even since ; taking

even if; took

“What did he ask you?”“_____ I would be late.”

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That

When

Where

Whether

Each time ________ they met, they would talk long hours together.

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which

when

during

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

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unless

until

although

since

— How can I wake up so early? — Set the alarm at 5 o’clock,        you’ll make it.

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but

and