B1 They must complete this on time
--> This test must be completed on time.
B2 : Complete the sentence using the words / phrases given
1, Hoa /wish /she /can /visit /parents /.
-> Hoa wishes she could visit her parents.
2,I /suggest /go /the countryside /at weekend
-> I suggest going to the countryside at weekend.
3,I /think /we /should /go /work /bike /instead /motorbike /.
-> I think we should go to work by bike instead of motorbike.
B3 : Rearrange the sentence, using the words / phrases given
1, like /what /for/ you /would/ dinner ?
-> What would you like for dinner?
2,they / to / classroom / be /the / outside /prefer
-> They prefer to be outside the classroom.
3,glad / able / I /are /am /to /come /that /you
-> I am glad that you are able to come.
4,serious / air /Vietnam /problem / and /is /countries /pollution /in /a /many /.
-> Air pollution is a serious problem in many countries in vietnam.