While waiting for the flight, your father his colleagues, but I am not sure.

1. While waiting for the flight, your father his colleagues, but I am not sure.

A. might have met B. should have met C. must have met D. could have met

【考点】

情态动词have done的用法;

【答案】

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单选题普通

1. The old farmer，the badly injured and burnt soldier，came out of the burning farmhouse ，calling continuously for help. (support)

语法填空（单句）困难

2. Because the boat was turned by big waves upside down, he had no choice but to swim to the s quickly.

单词拼写（单句）容易

3. This road is too for two cars to go side by side. It needs widening.

单词拼写（单句）容易