问题
Our headmaster isn’t in his office. I can’t find him anywhere. Did you notice him ______ the office
A:to enter
B:enter
C:to leave
D:leave;
B:enter
C:to leave
D:leave;
正确答案是：
同类题型
known to all, YangLiwei has become a space hero is we haveexpected．
Do you know if Tom _____fishing in the afternoon—I’m not sure. But if he ____go, I won’t go either.
____ we can finish our task on time really depends on our efforts. [ ]
We should study the new traffic rules and 1earnhow___________ ourselves．