用括号内所给动词的适当形式填空。

1. The report shows that some animals can _____ (train) to work for people.

2. Those dried flowers _____ (not sell) as well as the fresh ones.

3. Where is Jim? I'm afraid he _____ (forget) the visit to the museum.

4. The passengers were told that the plane _____ (take) off in two hours because of the bad weather.

5. —It is reported the police searched the whole building yesterday but nothing unusual was found there.

    —Really? I _____ (think) the thief had already been caught.

6. In order to complete the task, all the club members had no choice but _____ (stay) up late.

7. He failed the math exam again because the bell _____ (ring) before he finished the rest half of the

    testing-paper.

8. Many scientists are always trying to devote themselves to _____ (study) in different areas.

病历摘要：患者女性，29岁。因阵发性乏力14年，双肾多发性结石3年入院。

患者下一步鉴别诊断要做的检查（）提示：追问病史，患者有口干病史5年，以夜间最为明显，双眼干燥4年，长期使用眼药水。病程中无雷诺征、口腔溃疡、皮疹、肌痛、关节疼痛及不规则发热，精神饮食尚可，大小便正常。检查发现患者面部无红斑、口腔溃疡、脱发、皮疹及发热等。过去史、个人史、月经婚育史、家族史均无特殊。

A.眼科泪腺检查

B.唇黏膜活检

C.双肾CT

D.冷球蛋白

E.胸片

F.肝炎标志物

G.24h尿钙