. Enough attention should be paid to _____ your pronunciation and intonation.
#97051
A
improve
B
improving
C
improved
D
be improve
推荐题目
The traffic rule says young children under the age of four and ______ less than 40 pounds must be in a child safety seat.
#90708
A
being weighed
B
to weigh
C
weighing
D
weighed
______ the same story many times, my little brother can now tell it himself.
#89983
A
Telling
B
Having told
C
Being told
D
Having been told
At first I regretted _____ them to stay, but we soon became great friends.
#88612
A
to invite
B
invited
C
to have invited
D
inviting
