We are deeply impressed by the ______ of humor in his lecture.

We were deeply impressed by her important ______ to the success of the project.

A．work

B．determination

C．improvement

D．contribution

When we heard of it, we were deeply _________.

A moved

B moving

C move

A.to sell

B.to have sold

C.selling

D.having sold

A.for

B.to

C.of

D.on

A.disappointed

B.disheartened

C.upset

We had a()lesson in children education yesterday.

A、deep

B、profound

C、deeply

D、steep

A: rooted

B: root

C: rooting

D: roots

A.the study is worth researching deeply

B.it is no use to study

C.we need not pay attention to the report

D.the unclear plants should be alarmed by the report