摘要：catch up with
网址：http://m.1010jiajiao.com/timu3_id_2876451[举报]
_________ up with them．we must work harder and faster．
- A.Catching
- B.Caught
- C.Catch
- D.To catch
We ________ catch up with you．Please speak a little more slowly．
- A.can
- B.mustn’t
- C.may not
- D.can’t
_________ up with them．we must work harder and faster．
[ ]
A．
Catching
B．
Caught
C．
Catch
D．
To catch