We decided to ____________ the mountain to see the sunrise from above.
climb to the top of
This traffic is terrible. We______ (DRIVE) all day, but we______ ( ONLY DO) 50 miles up to now.
have been driving/have only done
The country's __________ has __________ over the past few years, leading to concerns about population decline.
birth rate/ fall steadily
After months of hard work, she finally __________ passing the exams
succeed in something
You __________ wear a helmet when riding a bike for safety reasons.
have to
The museum offers a ____________ where the guide explains the history of each exhibit.
guided tour
I _________ (TRY) to find a job for over 6 months and I_______ (HAVE) over 20 job interviews, but nothing________ (COME) up yet.
have trying/ have had/ has come
Scientists are researching new ways to destroy __________ without harming healthy tissues.
cancer cells
Many people __________ allergies during the spring season.
suffer from
Students __________ attend all classes to pass the course.
are required to or must
The city is planning to ____________ the old castle and turn it into a museum.
restore
Harry _______ (LEARN) to drive since the end of March
has been learning
Many homes in sunny regions are now powered by __________, which is a clean and renewable energy source.
solar power
Many businesses __________ technology to operate efficiently.
depend on
He __________ use his phone during the break, but not in class.
is allowed to
The ________ ruins of the temple date back over 2,000 years.
ancient
Barbara can't come with us. Her car _______(BREAK) down on the motorway.
has broken
If we continue to use fossil fuels at this rate, we will __________ soon and will need to find alternative energy sources.
run out of
The manager will __________ the customer’s complaint as soon as possible.
respond to
He __________ apologize for his behavior if he wants to fix the situation.
ought to
The trail was difficult to hike because it was incredibly ____________ near the peak.
steep
The students ____ (WRITE) the exam for two hours now.
has been writing
Over the past decade, the use of smartphones __________ across the world.
increase dramatically
Students are encouraged to __________ extracurricular activities to develop their skills.
participate in
They __________ meet us at the restaurant at 7 p.m.
are supposed to