I don’t know whether you happen_______, but I’m going to study in the U.S.A. this September.A. to be heard B. to be hearingC. to hear D. to have heard
Teachers have to constantly update their knowledge in order to maintain their professional ___.
It was never clearthe man hadn't reported the accident sooner.
In that school, English is compulsory for all students, but French and Russian are___
Between the two parts of the concert is an interval, ___the audience can buy ice-cream.
——Tommy is plannning to buy a car. ——I know. By next month, he ___enough for a used one.