We don’t write to each other regularly，but we do keep intouch by telephoning _____.
#84432
A
at a time
B
once
C
at once
D
once in a while
推荐题目
The conventional view that the Mars’ atmosphere is very poor because the planet lacks a magnetic field.
#74853
A
covers
B
holds
C
possesses
D
contains
Nowadays many parents want to have their kids ____ to as much art and culture as possible.
#70734
A
expose
B
exposed
C
exposing
D
to expose
The government has decided to ______ a special fund to support those poor kids.
#73484
A
set out
B
set off
C
set up
D
set about
He ____ me to keep away from cigarette and take more exercise.
#83306
A
agreed
B
suggested
C
promised
D
hoped