The kids are kept( )tidying up the desk. A、busy withB、busying withC、busy inD、to busy in
The kids are kept( )tidying up the desk.
A、busy with
B、busying with
C、busy in
D、to busy in
相关考题:
The best title for the passage could be ______.A. Earning MoneyB. Students' LifeC. Little BusinessD. Kids' Cafe
We were told that the stone figure _______ back to the 16th century was of great value. A. dated B. dating C. coming D. kept
(1)在单词kept和popped中,是否存在需要失去爆破的音?请解释原因。