----Where is your sister?  -----She _________ my mom with cooking. 
#41584
A
is helping
B
helping
C
is help
D
helps
推荐题目
Is Tom at home?No, he_______ to town.
#38891
A
has been
B
has gone
C
goes
D
will go
—Who        her father?—He must        by that policeman.
#36943
A
saved; be saved
B
saved; save
C
is saved; be saved
D
save; be save
If it ________ this Saturday, we will ________ for a picnic.
#42337
A
won’t rain; shall go
B
doesn’t rain; go
C
isn’t rain; go
D
doesn’t rain; go
 The old people ______lonely at all since we began to visit them once a week.
#42516
A
haven’t felt
B
hasn’t felt
C
didn’t feel
D
don’t feel