It was in the lab, _______ was taken charge of by Mrs Smith, they found the missing necklace.

Four years later, she became the first woman ________ a degree in agriculture from that famous school. [ ]

We’ll have a hiking trip, but when shall we meet?—Let’s make it ___ half past eight ___ the morning ofJune 1.

His mother is friendly____ us.

For many years, people________ electriccars. However, making them has been more difficult than predicted.