Inthepast,wehadnophones,sowehadtokeepintouch
問題詳情:
In the past, we had no phones, so we had to keep in touch _____ writing often.
A. with B. of C. on D. by
【回答】
D
知識點:介詞和介詞短語
題型:選擇題
問題詳情:
In the past, we had no phones, so we had to keep in touch _____ writing often.
A. with B. of C. on D. by
【回答】
D
知識點:介詞和介詞短語
題型:選擇題