I think they are dating. They a lot of each other recently.

A.what

B.which

C.that

D.who

A.unless, don’t study

B.unless, study

C.if, study

D.if, not study

A.how dresses to be made

B.how dresses be made

C.how to make dresses

D.how to be made dresses

A.not to see

B.not to be seeing

C.to not see

D.having not seen

A.Concluded (推论、结论)

B.held

C.settled

D.included

A. by

B. under

C. until

D. up to

A. although

B. nevertheless (然而、不过)

C. unless

D. Once (一旦)

A. lose

B. lost

C. would lose

D. will be

A. am going to

B. will

C. would

D. was going to

A. didn’t say

B. wouldn’t say

C. hadn’t said

D. don’t say