问题

Knowing how long the test would last, the students who finished ____ back and waited until the end of the exam.

A:settle
B:settled
C:settling
D:to settle

正确答案是：

同类题型

.The basketball match will be put off if it ________

he may have missed the train,________ she won’t arrive for another hour.

＿＿＿＿＿ is it from here to New York —It’s about 1000 kilometers.

What’s wrong her plan

When he ____ a light in his bedroom, the whole house had a power cut.