Can you make sure ________ he will come here today, Linda? 
#37603
A
that
B
which
C
whether
D
what
推荐题目
 — ________ do you play table tennis, Jim?—Twice a week.
#42521
A
How long
B
How often
C
How much
D
How many
-______ girl is your sister over there?- The one in red. 
#42281
A
Who
B
Which  
C
What  
D
Where
Open Twenty, first your books and turn to Page ____and look at ____  picture .
#40390
A
Twenty, the first
B
Twenty, one
C
Twentieth, first
D
Twentieth, one