have some difficulties in doing sth
举一反三
- We wish the work could ______ more quickly, but we'd had some difficulties in getting the right kind of supplies. A: have done B: have been done C: have been doing D: be done
- 在某件事中发挥重要作用 A: play an important role in sth/doing sth B: play a part in doing sth C: play a key role in doing sth
- 以下哪些搭配是正确的？ A: prefer sth to sth B: prefer doing sth to doing sth C: prefer to do sth rather than do sth D: prefer to do sth rather than to do sth
- 中国大学MOOC: When one has some interest in doing sth and is willing to do it, which expression is true？( )
- dream () doing sth