第一小题 单项填空(共25小题;每小题1分,满分25分) 从a、b、c、d四个选项中,选出可以填入空白处的最佳选项。 1. do you doubt _______ he will win? a. whether b. if c. that d. when 2. the room _______ very useful when we had visitors. a. was proved b. has been proved c. has proved d. proved 3. i can’t leave the office now. a lot of work ________ to be done. a. is remained b. left c. remains d. have 4. the villagers went out to the mountain __________ the missing child.