《2025年名师帮同步学案九年级英语全一册人教版》

( ) 1.I wonder ______ Jim had a good time having a picnic yesterday.

A.that
B.when
C.why
D.if

答案： D

( ) 2.I'm worried ______ I can enter a good high school or not.

A.whether
B.when
C.that
D.why

答案： A

( ) 3.—Are you going to camp this afternoon?
—A typhoon is coming. I'm not sure ______ the road to the mountains will be closed.

A.which
B.what
C.whether
D.why

答案： C

( ) 4.—Do you think that humans could live on Mars?
—I don't think ______.

A.if it comes true
B.that it will come true
C.why it will come true
D.how does it come true

答案： B