问题

I can’t pretend ________ happy when I am not.
A:to be
B:to have been
C:being
D:having been;
B:to have been
C:being
D:having been;
正确答案是:
同类题型
I will have a match tomorrow. I hope I willwin. — __________.
Everything ________ into consideration, he was a good man [ ]
I’ve taken someone else’s green sweaterby mistake. — It ______ Harry’s. He always wears green.
______ you are, _____ mistakes you’ll make.
.____studying Russian made his mother disappointed once again.