We teachers should ______ students ______ us questions in class. 
#48995
A
be allowed, to ask
B
let, to ask
C
encourage, to ask
D
allow, ask
推荐题目
Good weather, isn't it? Let's___a walk through the park.
#49572
A
take
B
takes
C
taking
D
to take
I’m too busy _______ my homework _______ walk my dog every day.
#51203
A
to do; to
B
doing; to
C
to do; /
D
doing; /
Tom wants ________ you. Are you free?
#48737
A
to speak
B
tell to
C
to talk to
D
talk to
I’d invite her ______ dinner at my house tomorrow.
#48891
A
have
B
having
C
has
D
to have