____for a long time,but he managed to catch up with his clas
____for a long time,but he managed to catch up with his clas
____for a long time ,but jim tried his best to catch up with
20.-----for a long time,but he tried his best to catch up wi
_____for a long tine,but he tired his best to catch up with
he found it hard _ his ciass .A.tocatch up with B.to catch u
After ____ seemsd a long time,he managed to work out this pr
He managed to make himself understood with his broken chines
he managed to make himself understood with his _____ English
句中but he took a long time to send
He walked too slowlu to catch up with his friends .(改为同义句)
2.____for a long time,the fields are all dried up.
1.He ran faster______(catch)up with his chassmates.