Rick has learned a lot about Chinese culture ____

Rick has learned a lot about Chinese culture _____ he came to China.

#55330

before

when

until

since

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Please give me a call and let me know ________you will come back for dinner.

#56514

because

until

unless

Though English is very difficult to learn, _____ Li Ping _____ Li Lei speak English well．

#55903

neither ; nor

either ; or

both ; and

either ; or

I can’t paint well, ________ I like art very much.

#56951

and

but

because

Without friendship, one won’t be happy _____ he is very rich.

#58182

though

even

however

_________Jimmy knows he may fail, ________he will still try.

#56138

Though; but

Though; /

But; though

But; /

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