My mother doesn’t know __________ this morning.   
#40932
A
what to do
B
what does do
C
how to do
D
why does do
推荐题目
What do you want       when you grow up?
#41000
A
like
B
to be
C
be
D
know
Tom worked for a long time. So he wanted to stop __________.
#40915
A
to have a rest
B
have a rest
C
having a rest
D
has a rest
“________ do you exercise?” “Three  times a week. ” 
#40818
A
How long
B
How often
C
How far
D
How many
Why don’t you _____ your teacher for help when you can’t finish _____ it by yourself ?
#41015
A
ask; write
B
to ask; writing
C
ask; writing
D
asking; write