--Would you like to go bike riding with us tomorrow? ---Sure, ___

--Would you like to go bike riding with us tomorrow?  ---Sure, ____ I am busy.

#57365

since

unless

when

until

推荐题目

 —_____________________? —She is a nurse.

#55884

Who is your mother?

Is your mother a nurse?

Where is your mother？

What does your mother do？

Hurry up,       you’ll be late.

#58449

and

but

Bill can swim, _______ he can’t sing.

#57157

but

and

Li Xiayu has a bad cold these days, ______ she still keeps studying English.

#58152

but

and

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

#55540

for

before

since

共1556题