How time flies! It’s almost three years ______

How time flies! It’s almost three years _______ we met last time.

#57893

when

before

while

since

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How many words have you learned_____ you began to learn English?

#55540

for

before

since

I stayed at home .I went      to the park      to the cinema.

#56082

neither; nor

either; or

both; and

not only; but also

— Shall we go for a hiking this weekend?— All right, ________ it rains.

#57781

unless

when

until

---Why are you busy these days?--         I am writing a book.

#56484

since

for

because

We arrived at Disneyland last Sunday，_______，we couldn’t get in.

#56832

and

because

however

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