It’s difficult _____ your sound because the noise is too high.
#61203
A
to listen
B
to know
C
to learn
D
to hear
推荐题目
--- You were out when I went to visit you yesterday.---Oh, I________ for a friend from England at the airport.
#52691
A
was waiting
B
had waited
C
am waiting
D
have waited
—What do you usually do at the weekend?—I ________ the program “If You Are The One” (非诚勿扰) with my family.
#58829
A
used to watch
B
was used to watching
C
am used to watch
D
get used to watching
The water in the river nearby will be dirtier than before if nothing __________.
#52543
A
has done
B
will be done
C
is done
D
was done