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. didn’t he

B. wouldn’t you

C. hadn’t he

D. don’t you

A. didn’t say

B. wouldn’t say

C. hadn’t said

D. don’t say

A. am going to

B. will

C. would

D. was going to

A. lose

B. lost

C. would lose

D. will be

A. although

B. nevertheless (然而、不过)

C. unless

D. Once (一旦)

A. by

B. under

C. until

D. up to

A.Concluded (推论、结论)

B.held

C.settled

D.included

A.how dresses to be made

B.how dresses be made

C.how to make dresses

D.how to be made dresses