问题

I usually use my computer _________my emails and buy tickets.
A:check
B:chceks
C:to check
D:checking;
B:chceks
C:to check
D:checking;
正确答案是:
同类题型
.It was _____ his mother came in _____ to prepare his lessons.
nk George doesn’t really care for TV plays— Right, ____ he still watches the program
May I ask you one more question, Mr.Smith—Sure, ______!
re your eyes so red You _______ have slept welllast night.—Yeah, I stayed up late writing a report.