----May I go swimming this afternoon? ----I'm afraid not ______

----May I go swimming this afternoon? ----I'm afraid not _______ you have finished your homework.

#55714

unless

because

though

推荐题目

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

#56484

since

for

because

—What do you think of the book A Haw Tree written by a woman writer?—It reminds me of the days ________ I spent in the countryside.

#57449

when

that

who

where

Li Lei is only 8 years old, _____ he can speak English very well.

#56781

because

but

Everything_______ well, and everyone ______ a good time.

#55705

go, have

go , has

goes, have

goes, has

_______he is ill, _________he goes to work.

#56272

Although; but

Although ;/

But; although

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